2653791870 has 32 divisors (see below), whose sum is σ = 6517222272. Its totient is φ = 691219872.

The previous prime is 2653791869. The next prime is 2653791893. The reversal of 2653791870 is 781973562.

It is a super-2 number, since 2×2653791870² = 14085222578556193800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027312 + ... + 1029891.

It is an arithmetic number, because the mean of its divisors is an integer number (203663196).

Almost surely, 2^2653791870 is an apocalyptic number.

2653791870 is an abundant number, since it is smaller than the sum of its proper divisors (3863430402).

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

2653791870 is a wasteful number, since it uses less digits than its factorization.

2653791870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057256.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 2653791870 is about 51514.9674366586. The cubic root of 2653791870 is about 1384.4872260607.

The spelling of 2653791870 in words is "two billion, six hundred fifty-three million, seven hundred ninety-one thousand, eight hundred seventy".