476238624781 has 2 divisors, whose sum is σ = 476238624782. Its totient is φ = 476238624780.

The previous prime is 476238624739. The next prime is 476238624787. The reversal of 476238624781 is 187426832674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432820567881 + 43418056900 = 657891^2 + 208370^2 .

It is a cyclic number.

It is not a de Polignac number, because 476238624781 - 2²¹ = 476236527629 is a prime.

It is a super-2 number, since 2×476238624781² (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 (476238624787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238119312390 + 238119312391.

It is an arithmetic number, because the mean of its divisors is an integer number (238119312391).

Almost surely, 2^476238624781 is an apocalyptic number.

It is an amenable number.

476238624781 is a deficient number, since it is larger than the sum of its proper divisors (1).

476238624781 is an equidigital number, since it uses as much as digits as its factorization.

476238624781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 58.

The spelling of 476238624781 in words is "four hundred seventy-six billion, two hundred thirty-eight million, six hundred twenty-four thousand, seven hundred eighty-one".