3959545635894 has 32 divisors (see below), whose sum is σ = 8004700410336. Its totient is φ = 1305593856000.

The previous prime is 3959545635853. The next prime is 3959545635979. The reversal of 3959545635894 is 4985365459593.

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, 512607 + ... + 2860394.

It is an arithmetic number, because the mean of its divisors is an integer number (250146887823).

Almost surely, 2^{3959545635894} is an apocalyptic number.

3959545635894 is an abundant number, since it is smaller than the sum of its proper divisors (4045154774442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3959545635894 is a wasteful number, since it uses less digits than its factorization.

3959545635894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375120.

The product of its digits is 3149280000, while the sum is 75.

The spelling of 3959545635894 in words is "three trillion, nine hundred fifty-nine billion, five hundred forty-five million, six hundred thirty-five thousand, eight hundred ninety-four".