42700671752565 has 32 divisors (see below), whose sum is σ = 70690068576000. Its totient is φ = 21984318003200.

The previous prime is 42700671752513. The next prime is 42700671752579. The reversal of 42700671752565 is 56525717600724.

It is a happy number.

It is not a de Polignac number, because 42700671752565 - 2⁸ = 42700671752309 is a prime.

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, 6742236 + ... + 11439365.

It is an arithmetic number, because the mean of its divisors is an integer number (2209064643000).

Almost surely, 2^{42700671752565} is an apocalyptic number.

It is an amenable number.

42700671752565 is a deficient number, since it is larger than the sum of its proper divisors (27989396823435).

42700671752565 is a wasteful number, since it uses less digits than its factorization.

42700671752565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18187037.

The product of its (nonzero) digits is 24696000, while the sum is 57.

The spelling of 42700671752565 in words is "forty-two trillion, seven hundred billion, six hundred seventy-one million, seven hundred fifty-two thousand, five hundred sixty-five".