409094496722 has 6 divisors (see below), whose sum is σ = 613643101893. Its totient is φ = 204546796092.

The previous prime is 409094496709. The next prime is 409094496749. The reversal of 409094496722 is 227694490904.

It can be written as a sum of positive squares in 2 ways, for example, as 334582421761 + 74512074961 = 578431^2 + 272969^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=452269.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 678404 + ... + 1130672.

Almost surely, 2^409094496722 is an apocalyptic number.

409094496722 is a deficient number, since it is larger than the sum of its proper divisors (204548605171).

409094496722 is an frugal number, since it uses more digits than its factorization.

409094496722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904540 (or 452271 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 409094496722 in words is "four hundred nine billion, ninety-four million, four hundred ninety-six thousand, seven hundred twenty-two".