265420648534 has 16 divisors (see below), whose sum is σ = 398748692160. Its totient is φ = 132504490440.

The previous prime is 265420648529. The next prime is 265420648541. The reversal of 265420648534 is 435846024562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8987757 + ... + 9017239.

It is an arithmetic number, because the mean of its divisors is an integer number (24921793260).

Almost surely, 2^265420648534 is an apocalyptic number.

265420648534 is a deficient number, since it is larger than the sum of its proper divisors (133328043626).

265420648534 is a wasteful number, since it uses less digits than its factorization.

265420648534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36315.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 265420648534 in words is "two hundred sixty-five billion, four hundred twenty million, six hundred forty-eight thousand, five hundred thirty-four".