408982061947 has 2 divisors, whose sum is σ = 408982061948. Its totient is φ = 408982061946.

The previous prime is 408982061903. The next prime is 408982062011. The reversal of 408982061947 is 749160289804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408982061947 - 2²⁷ = 408847844219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408982061891 and 408982061900.

It is not a weakly prime, because it can be changed into another prime (408982071947) 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, 204491030973 + 204491030974.

It is an arithmetic number, because the mean of its divisors is an integer number (204491030974).

Almost surely, 2^408982061947 is an apocalyptic number.

408982061947 is a deficient number, since it is larger than the sum of its proper divisors (1).

408982061947 is an equidigital number, since it uses as much as digits as its factorization.

408982061947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 408982061947 in words is "four hundred eight billion, nine hundred eighty-two million, sixty-one thousand, nine hundred forty-seven".