626856838871053 has 16 divisors (see below), whose sum is σ = 730255345021440. Its totient is φ = 527013359829936.

The previous prime is 626856838871047. The next prime is 626856838871099. The reversal of 626856838871053 is 350178838658626.

It is not a de Polignac number, because 626856838871053 - 2⁴¹ = 624657815615501 is a prime.

It is a super-2 number, since 2×626856838871053² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626856838877053) 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, 3880953175 + ... + 3881114692.

It is an arithmetic number, because the mean of its divisors is an integer number (45640959063840).

Almost surely, 2^{626856838871053} is an apocalyptic number.

It is an amenable number.

626856838871053 is a deficient number, since it is larger than the sum of its proper divisors (103398506150387).

626856838871053 is a wasteful number, since it uses less digits than its factorization.

626856838871053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762068096.

The product of its (nonzero) digits is 2786918400, while the sum is 76.

The spelling of 626856838871053 in words is "six hundred twenty-six trillion, eight hundred fifty-six billion, eight hundred thirty-eight million, eight hundred seventy-one thousand, fifty-three".