51626264799 has 16 divisors (see below), whose sum is σ = 69628606560. Its totient is φ = 34020940800.

The previous prime is 51626264797. The next prime is 51626264869. The reversal of 51626264799 is 99746262615.

It is not a de Polignac number, because 51626264799 - 2¹ = 51626264797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51626264791) 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, 960949 + ... + 1013249.

It is an arithmetic number, because the mean of its divisors is an integer number (4351787910).

Almost surely, 2^51626264799 is an apocalyptic number.

51626264799 is a deficient number, since it is larger than the sum of its proper divisors (18002341761).

51626264799 is a wasteful number, since it uses less digits than its factorization.

51626264799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56090.

The product of its digits is 9797760, while the sum is 57.

The spelling of 51626264799 in words is "fifty-one billion, six hundred twenty-six million, two hundred sixty-four thousand, seven hundred ninety-nine".