488761257631 has 2 divisors, whose sum is σ = 488761257632. Its totient is φ = 488761257630.

The previous prime is 488761257577. The next prime is 488761257637. The reversal of 488761257631 is 136752167884.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 488761257631 - 2⁷ = 488761257503 is a prime.

It is a super-2 number, since 2×488761257631² (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 (488761257637) 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, 244380628815 + 244380628816.

It is an arithmetic number, because the mean of its divisors is an integer number (244380628816).

Almost surely, 2^488761257631 is an apocalyptic number.

488761257631 is a deficient number, since it is larger than the sum of its proper divisors (1).

488761257631 is an equidigital number, since it uses as much as digits as its factorization.

488761257631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 58.

The spelling of 488761257631 in words is "four hundred eighty-eight billion, seven hundred sixty-one million, two hundred fifty-seven thousand, six hundred thirty-one".