2791949056 has 36 divisors (see below), whose sum is σ = 6001690912. Its totient is φ = 1288590336.

The previous prime is 2791949023. The next prime is 2791949059. The reversal of 2791949056 is 6509491972.

It is a super-2 number, since 2×2791949056² = 15589959062598582272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 2791948994 and 2791949012.

It is not an unprimeable number, because it can be changed into a prime (2791949059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416136 + ... + 422791.

Almost surely, 2^2791949056 is an apocalyptic number.

2791949056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2791949056 is an abundant number, since it is smaller than the sum of its proper divisors (3209741856).

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

2791949056 is an equidigital number, since it uses as much as digits as its factorization.

2791949056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838956 (or 838942 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 2791949056 is about 52838.8971875833. The cubic root of 2791949056 is about 1408.1075589320.

The spelling of 2791949056 in words is "two billion, seven hundred ninety-one million, nine hundred forty-nine thousand, fifty-six".