2651641365 has 64 divisors (see below), whose sum is σ = 4516300800. Its totient is φ = 1325769984.

The previous prime is 2651641313. The next prime is 2651641367. The reversal of 2651641365 is 5631461562.

It is not a de Polignac number, because 2651641365 - 2²⁴ = 2634864149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651641367) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4023406 + ... + 4024064.

It is an arithmetic number, because the mean of its divisors is an integer number (70567200).

Almost surely, 2^2651641365 is an apocalyptic number.

It is an amenable number.

2651641365 is a deficient number, since it is larger than the sum of its proper divisors (1864659435).

2651641365 is a wasteful number, since it uses less digits than its factorization.

2651641365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 129600, while the sum is 39.

The square root of 2651641365 is about 51494.0905832893. The cubic root of 2651641365 is about 1384.1131510964.

The spelling of 2651641365 in words is "two billion, six hundred fifty-one million, six hundred forty-one thousand, three hundred sixty-five".