481251744877 has 2 divisors, whose sum is σ = 481251744878. Its totient is φ = 481251744876.

The previous prime is 481251744851. The next prime is 481251744889. The reversal of 481251744877 is 778447152184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272086381161 + 209165363716 = 521619^2 + 457346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481251744877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481251741877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240625872438 + 240625872439.

It is an arithmetic number, because the mean of its divisors is an integer number (240625872439).

Almost surely, 2^481251744877 is an apocalyptic number.

It is an amenable number.

481251744877 is a deficient number, since it is larger than the sum of its proper divisors (1).

481251744877 is an equidigital number, since it uses as much as digits as its factorization.

481251744877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14049280, while the sum is 58.

The spelling of 481251744877 in words is "four hundred eighty-one billion, two hundred fifty-one million, seven hundred forty-four thousand, eight hundred seventy-seven".