409881656313 has 12 divisors (see below), whose sum is σ = 592056839088. Its totient is φ = 273251872440.

The previous prime is 409881656273. The next prime is 409881656377. The reversal of 409881656313 is 313656188904.

409881656313 is a `hidden beast` number, since 409 + 8 + 8 + 165 + 63 + 13 = 666.

It is not a de Polignac number, because 409881656313 - 2²¹ = 409879559161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 409881656313.

It is not an unprimeable number, because it can be changed into a prime (409880656313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1700406 + ... + 1926432.

It is an arithmetic number, because the mean of its divisors is an integer number (49338069924).

Almost surely, 2^409881656313 is an apocalyptic number.

It is an amenable number.

409881656313 is a deficient number, since it is larger than the sum of its proper divisors (182175182775).

409881656313 is a wasteful number, since it uses less digits than its factorization.

409881656313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427524 (or 427521 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 409881656313 in words is "four hundred nine billion, eight hundred eighty-one million, six hundred fifty-six thousand, three hundred thirteen".