379377569 has 4 divisors (see below), whose sum is σ = 384574596. Its totient is φ = 374180544.

The previous prime is 379377563. The next prime is 379377577. The reversal of 379377569 is 965773973.

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 310288225 + 69089344 = 17615^2 + 8312^2 .

It is a cyclic number.

It is not a de Polignac number, because 379377569 - 2⁴ = 379377553 is a prime.

It is a super-2 number, since 2×379377569² = 287854679720699522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379377563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598404 + ... + 2598549.

It is an arithmetic number, because the mean of its divisors is an integer number (96143649).

Almost surely, 2^379377569 is an apocalyptic number.

It is an amenable number.

379377569 is a deficient number, since it is larger than the sum of its proper divisors (5197027).

379377569 is an equidigital number, since it uses as much as digits as its factorization.

379377569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197026.

The product of its digits is 7501410, while the sum is 56.

The square root of 379377569 is about 19477.6171283861. The cubic root of 379377569 is about 723.9199576001.

The spelling of 379377569 in words is "three hundred seventy-nine million, three hundred seventy-seven thousand, five hundred sixty-nine".