408009579547 has 2 divisors, whose sum is σ = 408009579548. Its totient is φ = 408009579546.

The previous prime is 408009579463. The next prime is 408009579599. The reversal of 408009579547 is 745975900804.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408009579547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408009579491 and 408009579500.

It is not a weakly prime, because it can be changed into another prime (408009579647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204004789773 + 204004789774.

It is an arithmetic number, because the mean of its divisors is an integer number (204004789774).

Almost surely, 2^408009579547 is an apocalyptic number.

408009579547 is a deficient number, since it is larger than the sum of its proper divisors (1).

408009579547 is an equidigital number, since it uses as much as digits as its factorization.

408009579547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 408009579547 in words is "four hundred eight billion, nine million, five hundred seventy-nine thousand, five hundred forty-seven".