409749734907 has 6 divisors (see below), whose sum is σ = 591860728212. Its totient is φ = 273166489932.

The previous prime is 409749734903. The next prime is 409749734923. The reversal of 409749734907 is 709437947904.

409749734907 is a `hidden beast` number, since 4 + 0 + 9 + 74 + 9 + 73 + 490 + 7 = 666.

It is not a de Polignac number, because 409749734907 - 2² = 409749734903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409749734903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22763874153 + ... + 22763874170.

It is an arithmetic number, because the mean of its divisors is an integer number (98643454702).

Almost surely, 2^409749734907 is an apocalyptic number.

409749734907 is a deficient number, since it is larger than the sum of its proper divisors (182110993305).

409749734907 is a wasteful number, since it uses less digits than its factorization.

409749734907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45527748329 (or 45527748326 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 63.

The spelling of 409749734907 in words is "four hundred nine billion, seven hundred forty-nine million, seven hundred thirty-four thousand, nine hundred seven".