2991342946518 has 24 divisors (see below), whose sum is σ = 6481645567488. Its totient is φ = 997052389872.

The previous prime is 2991342946507. The next prime is 2991342946541. The reversal of 2991342946518 is 8156492431992.

2991342946518 is a `hidden beast` number, since 2 + 9 + 9 + 134 + 29 + 465 + 18 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4862121 + ... + 5442692.

It is an arithmetic number, because the mean of its divisors is an integer number (270068565312).

Almost surely, 2^{2991342946518} is an apocalyptic number.

2991342946518 is an abundant number, since it is smaller than the sum of its proper divisors (3490302620970).

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

2991342946518 is a wasteful number, since it uses less digits than its factorization.

2991342946518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320948 (or 10320945 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 2991342946518 in words is "two trillion, nine hundred ninety-one billion, three hundred forty-two million, nine hundred forty-six thousand, five hundred eighteen".