377664149 has 4 divisors (see below), whose sum is σ = 381403500. Its totient is φ = 373924800.

The previous prime is 377664139. The next prime is 377664173. The reversal of 377664149 is 941466773.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 350363524 + 27300625 = 18718^2 + 5225^2 .

It is a cyclic number.

It is not a de Polignac number, because 377664149 - 2²⁰ = 376615573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377664139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869524 + ... + 1869725.

It is an arithmetic number, because the mean of its divisors is an integer number (95350875).

Almost surely, 2^377664149 is an apocalyptic number.

It is an amenable number.

377664149 is a deficient number, since it is larger than the sum of its proper divisors (3739351).

377664149 is a wasteful number, since it uses less digits than its factorization.

377664149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739350.

The product of its digits is 762048, while the sum is 47.

The square root of 377664149 is about 19433.5830201227. The cubic root of 377664149 is about 722.8284759356.

The spelling of 377664149 in words is "three hundred seventy-seven million, six hundred sixty-four thousand, one hundred forty-nine".