4370399881 has 3 divisors (see below), whose sum is σ = 4370465991. Its totient is φ = 4370333772.

The previous prime is 4370399863. The next prime is 4370399897. The reversal of 4370399881 is 1889930734.

The square root of 4370399881 is 66109.

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., 2909631481 + 1460768400 = 53941^2 + 38220^2 .

It is not a de Polignac number, because 4370399881 - 2²³ = 4362011273 is a prime.

It is a super-2 number, since 2×4370399881² = 38200790239689628322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4370396881) 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 2 ways as a sum of consecutive naturals, for example, 33055 + ... + 99163.

It is an arithmetic number, because the mean of its divisors is an integer number (1456821997).

Almost surely, 2^4370399881 is an apocalyptic number.

4370399881 is the 66109-th square number.

4370399881 is the 33055-th centered octagonal number.

It is an amenable number.

4370399881 is a deficient number, since it is larger than the sum of its proper divisors (66110).

4370399881 is an frugal number, since it uses more digits than its factorization.

4370399881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132218 (or 66109 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The cubic root of 4370399881 is about 1634.9597238097.

The spelling of 4370399881 in words is "four billion, three hundred seventy million, three hundred ninety-nine thousand, eight hundred eighty-one".