473638591831 has 2 divisors, whose sum is σ = 473638591832. Its totient is φ = 473638591830.

The previous prime is 473638591823. The next prime is 473638591883. The reversal of 473638591831 is 138195836374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 473638591831 - 2³ = 473638591823 is a prime.

It is a super-2 number, since 2×473638591831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473638591031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236819295915 + 236819295916.

It is an arithmetic number, because the mean of its divisors is an integer number (236819295916).

Almost surely, 2^473638591831 is an apocalyptic number.

473638591831 is a deficient number, since it is larger than the sum of its proper divisors (1).

473638591831 is an equidigital number, since it uses as much as digits as its factorization.

473638591831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 58.

The spelling of 473638591831 in words is "four hundred seventy-three billion, six hundred thirty-eight million, five hundred ninety-one thousand, eight hundred thirty-one".