2651002651 has 16 divisors (see below), whose sum is σ = 2933051616. Its totient is φ = 2376000000.

The previous prime is 2651002639. The next prime is 2651002657. The reversal of 2651002651 is 1562001562.

It is not a de Polignac number, because 2651002651 - 2⁹ = 2651002139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2651002657) 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, 262801 + ... + 272701.

It is an arithmetic number, because the mean of its divisors is an integer number (183315726).

Almost surely, 2^2651002651 is an apocalyptic number.

2651002651 is a deficient number, since it is larger than the sum of its proper divisors (282048965).

2651002651 is a wasteful number, since it uses less digits than its factorization.

2651002651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10254.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2651002651 is about 51487.8883913489. Note that the first 3 decimals coincide. The cubic root of 2651002651 is about 1384.0020094403.

It can be divided in two parts, 265100 and 2651, that multiplied together give a square (702780100 = 26510²).

The spelling of 2651002651 in words is "two billion, six hundred fifty-one million, two thousand, six hundred fifty-one".