2791534830491 has 16 divisors (see below), whose sum is σ = 3148096091136. Its totient is φ = 2452341420000.

The previous prime is 2791534830479. The next prime is 2791534830499. The reversal of 2791534830491 is 1940384351972.

It is a happy number.

2791534830491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2791534830491 is a prime.

It is a super-2 number, since 2×2791534830491² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2791534830499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5687900 + ... + 6159161.

It is an arithmetic number, because the mean of its divisors is an integer number (196756005696).

Almost surely, 2^{2791534830491} is an apocalyptic number.

2791534830491 is a deficient number, since it is larger than the sum of its proper divisors (356561260645).

2791534830491 is a wasteful number, since it uses less digits than its factorization.

2791534830491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847794.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 2791534830491 in words is "two trillion, seven hundred ninety-one billion, five hundred thirty-four million, eight hundred thirty thousand, four hundred ninety-one".