409001794931 has 16 divisors (see below), whose sum is σ = 416810496960. Its totient is φ = 401252019840.

The previous prime is 409001794909. The next prime is 409001794933. The reversal of 409001794931 is 139497100904.

It is a cyclic number.

It is not a de Polignac number, because 409001794931 - 2¹⁸ = 409001532787 is a prime.

It is a super-2 number, since 2×409001794931² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409001794933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33373601 + ... + 33385853.

It is an arithmetic number, because the mean of its divisors is an integer number (26050656060).

Almost surely, 2^409001794931 is an apocalyptic number.

409001794931 is a deficient number, since it is larger than the sum of its proper divisors (7808702029).

409001794931 is a wasteful number, since it uses less digits than its factorization.

409001794931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14606.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 409001794931 in words is "four hundred nine billion, one million, seven hundred ninety-four thousand, nine hundred thirty-one".