476721655036231 has 4 divisors (see below), whose sum is σ = 520059987312264. Its totient is φ = 433383322760200.

The previous prime is 476721655036229. The next prime is 476721655036273. The reversal of 476721655036231 is 132630556127674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 476721655036231 - 2¹ = 476721655036229 is a prime.

It is a super-2 number, since 2×476721655036231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476721655036631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21669166138000 + ... + 21669166138021.

It is an arithmetic number, because the mean of its divisors is an integer number (130014996828066).

Almost surely, 2^{476721655036231} is an apocalyptic number.

476721655036231 is a deficient number, since it is larger than the sum of its proper divisors (43338332276033).

476721655036231 is a wasteful number, since it uses less digits than its factorization.

476721655036231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43338332276032.

The product of its (nonzero) digits is 38102400, while the sum is 58.

The spelling of 476721655036231 in words is "four hundred seventy-six trillion, seven hundred twenty-one billion, six hundred fifty-five million, thirty-six thousand, two hundred thirty-one".