2642885957405 has 16 divisors (see below), whose sum is σ = 3248552286720. Its totient is φ = 2063182985472.

The previous prime is 2642885957353. The next prime is 2642885957431. The reversal of 2642885957405 is 5047595882462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2642885957405 - 2¹⁴ = 2642885941021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16606745 + ... + 16765134.

It is an arithmetic number, because the mean of its divisors is an integer number (203034517920).

Almost surely, 2^{2642885957405} is an apocalyptic number.

It is an amenable number.

2642885957405 is a deficient number, since it is larger than the sum of its proper divisors (605666329315).

2642885957405 is a wasteful number, since it uses less digits than its factorization.

2642885957405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33372268.

The product of its (nonzero) digits is 193536000, while the sum is 65.

The spelling of 2642885957405 in words is "two trillion, six hundred forty-two billion, eight hundred eighty-five million, nine hundred fifty-seven thousand, four hundred five".