265376521379 has 4 divisors (see below), whose sum is σ = 265377592560. Its totient is φ = 265375450200.

The previous prime is 265376521369. The next prime is 265376521393. The reversal of 265376521379 is 973125673562.

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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265376521379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265376521369) 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, 47954 + ... + 730104.

It is an arithmetic number, because the mean of its divisors is an integer number (66344398140).

Almost surely, 2^265376521379 is an apocalyptic number.

265376521379 is a deficient number, since it is larger than the sum of its proper divisors (1071181).

265376521379 is an equidigital number, since it uses as much as digits as its factorization.

265376521379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071180.

The product of its digits is 14288400, while the sum is 56.

The spelling of 265376521379 in words is "two hundred sixty-five billion, three hundred seventy-six million, five hundred twenty-one thousand, three hundred seventy-nine".