68651356231 has 8 divisors (see below), whose sum is σ = 69825225600. Its totient is φ = 67477829880.

The previous prime is 68651356219. The next prime is 68651356253. The reversal of 68651356231 is 13265315686.

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

It is a cyclic number.

It is not a de Polignac number, because 68651356231 - 2⁵ = 68651356199 is a prime.

It is a super-2 number, since 2×68651356231² (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 (68651336231) 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, 335476 + ... + 499846.

It is an arithmetic number, because the mean of its divisors is an integer number (8728153200).

Almost surely, 2^68651356231 is an apocalyptic number.

68651356231 is a deficient number, since it is larger than the sum of its proper divisors (1173869369).

68651356231 is a wasteful number, since it uses less digits than its factorization.

68651356231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171509.

The product of its digits is 777600, while the sum is 46.

The spelling of 68651356231 in words is "sixty-eight billion, six hundred fifty-one million, three hundred fifty-six thousand, two hundred thirty-one".