2891457462892 has 12 divisors (see below), whose sum is σ = 5061286858096. Its totient is φ = 1445375503440.

The previous prime is 2891457462847. The next prime is 2891457462913. The reversal of 2891457462892 is 2982647541982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88288584 + ... + 88321327.

Almost surely, 2^{2891457462892} is an apocalyptic number.

It is an amenable number.

2891457462892 is a deficient number, since it is larger than the sum of its proper divisors (2169829395204).

2891457462892 is a wasteful number, since it uses less digits than its factorization.

2891457462892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176614008 (or 176614006 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 67.

The spelling of 2891457462892 in words is "two trillion, eight hundred ninety-one billion, four hundred fifty-seven million, four hundred sixty-two thousand, eight hundred ninety-two".