2651273855 has 32 divisors (see below), whose sum is σ = 3321285120. Its totient is φ = 2030371200.

The previous prime is 2651273819. The next prime is 2651273893. The reversal of 2651273855 is 5583721562.

It is not a de Polignac number, because 2651273855 - 2¹⁴ = 2651257471 is a prime.

It is a super-2 number, since 2×2651273855² = 14058506108413122050, 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 31 ways as a sum of consecutive naturals, for example, 2360324 + ... + 2361446.

It is an arithmetic number, because the mean of its divisors is an integer number (103790160).

Almost surely, 2^2651273855 is an apocalyptic number.

2651273855 is a deficient number, since it is larger than the sum of its proper divisors (670011265).

2651273855 is a wasteful number, since it uses less digits than its factorization.

2651273855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its digits is 504000, while the sum is 44.

The square root of 2651273855 is about 51490.5219919161. The cubic root of 2651273855 is about 1384.0492034182.

The spelling of 2651273855 in words is "two billion, six hundred fifty-one million, two hundred seventy-three thousand, eight hundred fifty-five".