2651313651 has 16 divisors (see below), whose sum is σ = 4134054144. Its totient is φ = 1479802464.

The previous prime is 2651313629. The next prime is 2651313653. The reversal of 2651313651 is 1563131562.

It is not a de Polignac number, because 2651313651 - 2²² = 2647119347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2651313653) by changing a digit.

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, 1467156 + ... + 1468961.

It is an arithmetic number, because the mean of its divisors is an integer number (258378384).

Almost surely, 2^2651313651 is an apocalyptic number.

2651313651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2651313651 is a deficient number, since it is larger than the sum of its proper divisors (1482740493).

2651313651 is a wasteful number, since it uses less digits than its factorization.

2651313651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936170.

The product of its digits is 16200, while the sum is 33.

The square root of 2651313651 is about 51490.9084305181. The cubic root of 2651313651 is about 1384.0561283091.

The spelling of 2651313651 in words is "two billion, six hundred fifty-one million, three hundred thirteen thousand, six hundred fifty-one".