408553949207 has 2 divisors, whose sum is σ = 408553949208. Its totient is φ = 408553949206.

The previous prime is 408553949197. The next prime is 408553949257. The reversal of 408553949207 is 702949355804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408553949207 - 2⁸ = 408553948951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408553949257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204276974603 + 204276974604.

It is an arithmetic number, because the mean of its divisors is an integer number (204276974604).

Almost surely, 2^408553949207 is an apocalyptic number.

408553949207 is a deficient number, since it is larger than the sum of its proper divisors (1).

408553949207 is an equidigital number, since it uses as much as digits as its factorization.

408553949207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 408553949207 in words is "four hundred eight billion, five hundred fifty-three million, nine hundred forty-nine thousand, two hundred seven".