551626612431 has 16 divisors (see below), whose sum is σ = 755507249664. Its totient is φ = 357751858464.

The previous prime is 551626612429. The next prime is 551626612441. The reversal of 551626612431 is 134216626155.

It is not a de Polignac number, because 551626612431 - 2¹ = 551626612429 is a prime.

It is a super-2 number, since 2×551626612431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551626612441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 253126 + ... + 1080428.

It is an arithmetic number, because the mean of its divisors is an integer number (47219203104).

Almost surely, 2^551626612431 is an apocalyptic number.

551626612431 is a deficient number, since it is larger than the sum of its proper divisors (203880637233).

551626612431 is a wasteful number, since it uses less digits than its factorization.

551626612431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833350.

The product of its digits is 259200, while the sum is 42.

The spelling of 551626612431 in words is "five hundred fifty-one billion, six hundred twenty-six million, six hundred twelve thousand, four hundred thirty-one".