472554867271561 has 2 divisors, whose sum is σ = 472554867271562. Its totient is φ = 472554867271560.

The previous prime is 472554867271549. The next prime is 472554867271579. The reversal of 472554867271561 is 165172768455274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302877670231161 + 169677197040400 = 17403381^2 + 13026020^2 .

It is a cyclic number.

It is not a de Polignac number, because 472554867271561 - 2⁷ = 472554867271433 is a prime.

It is not a weakly prime, because it can be changed into another prime (472554867271961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236277433635780 + 236277433635781.

It is an arithmetic number, because the mean of its divisors is an integer number (236277433635781).

Almost surely, 2^{472554867271561} is an apocalyptic number.

It is an amenable number.

472554867271561 is a deficient number, since it is larger than the sum of its proper divisors (1).

472554867271561 is an equidigital number, since it uses as much as digits as its factorization.

472554867271561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272000, while the sum is 70.

The spelling of 472554867271561 in words is "four hundred seventy-two trillion, five hundred fifty-four billion, eight hundred sixty-seven million, two hundred seventy-one thousand, five hundred sixty-one".