265243664414245 has 32 divisors (see below), whose sum is σ = 356413415984640. Its totient is φ = 187862626520640.

The previous prime is 265243664414207. The next prime is 265243664414251. The reversal of 265243664414245 is 542414466342562.

It is not a de Polignac number, because 265243664414245 - 2¹⁹ = 265243663889957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265243664414245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381611607 + ... + 382306036.

It is an arithmetic number, because the mean of its divisors is an integer number (11137919249520).

Almost surely, 2^{265243664414245} is an apocalyptic number.

It is an amenable number.

265243664414245 is a deficient number, since it is larger than the sum of its proper divisors (91169751570395).

265243664414245 is a wasteful number, since it uses less digits than its factorization.

265243664414245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763917825.

The product of its digits is 132710400, while the sum is 58.

The spelling of 265243664414245 in words is "two hundred sixty-five trillion, two hundred forty-three billion, six hundred sixty-four million, four hundred fourteen thousand, two hundred forty-five".