408734979941 has 2 divisors, whose sum is σ = 408734979942. Its totient is φ = 408734979940.

The previous prime is 408734979923. The next prime is 408734979967. The reversal of 408734979941 is 149979437804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403029443716 + 5705536225 = 634846^2 + 75535^2 .

It is a cyclic number.

It is not a de Polignac number, because 408734979941 - 2²² = 408730785637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408734979911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204367489970 + 204367489971.

It is an arithmetic number, because the mean of its divisors is an integer number (204367489971).

Almost surely, 2^408734979941 is an apocalyptic number.

It is an amenable number.

408734979941 is a deficient number, since it is larger than the sum of its proper divisors (1).

408734979941 is an equidigital number, since it uses as much as digits as its factorization.

408734979941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 408734979941 in words is "four hundred eight billion, seven hundred thirty-four million, nine hundred seventy-nine thousand, nine hundred forty-one".