68286290631 has 8 divisors (see below), whose sum is σ = 98052109680. Its totient is φ = 42022332672.

The previous prime is 68286290563. The next prime is 68286290711. The reversal of 68286290631 is 13609268286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68286290631 - 2¹⁰ = 68286289607 is a prime.

It is a super-2 number, since 2×68286290631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68286294631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875465226 + ... + 875465303.

It is an arithmetic number, because the mean of its divisors is an integer number (12256513710).

Almost surely, 2^68286290631 is an apocalyptic number.

68286290631 is a deficient number, since it is larger than the sum of its proper divisors (29765819049).

68286290631 is a wasteful number, since it uses less digits than its factorization.

68286290631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750930545.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 68286290631 in words is "sixty-eight billion, two hundred eighty-six million, two hundred ninety thousand, six hundred thirty-one".