377641489 has 3 divisors (see below), whose sum is σ = 377660923. Its totient is φ = 377622056.

The previous prime is 377641463. The next prime is 377641559. The reversal of 377641489 is 984146773.

The square root of 377641489 is 19433.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 31979025 + 345662464 = 5655^2 + 18592^2 .

It is not a de Polignac number, because 377641489 - 2¹⁷ = 377510417 is a prime.

It is a super-2 number, since 2×377641489² = 285226188428274242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377641889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9717 + ... + 29149.

Almost surely, 2^377641489 is an apocalyptic number.

377641489 is the 19433-rd square number.

377641489 is the 9717-th centered octagonal number.

It is an amenable number.

377641489 is a deficient number, since it is larger than the sum of its proper divisors (19434).

377641489 is an frugal number, since it uses more digits than its factorization.

377641489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38866 (or 19433 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The cubic root of 377641489 is about 722.8140189805.

Multiplying 377641489 by its sum of digits (49), we get a square (18504432961 = 136031²).

Multiplying 377641489 by its product of digits (1016064), we get a square (383707921879296 = 19588464²).

The spelling of 377641489 in words is "three hundred seventy-seven million, six hundred forty-one thousand, four hundred eighty-nine".