409346122899 has 16 divisors (see below), whose sum is σ = 640624049408. Its totient is φ = 227590121952.

The previous prime is 409346122879. The next prime is 409346122903. The reversal of 409346122899 is 998221643904.

It is not a de Polignac number, because 409346122899 - 2⁸ = 409346122643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409346122879) 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, 263413717 + ... + 263415270.

It is an arithmetic number, because the mean of its divisors is an integer number (40039003088).

Almost surely, 2^409346122899 is an apocalyptic number.

409346122899 is a deficient number, since it is larger than the sum of its proper divisors (231277926509).

409346122899 is a wasteful number, since it uses less digits than its factorization.

409346122899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526829034.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 409346122899 in words is "four hundred nine billion, three hundred forty-six million, one hundred twenty-two thousand, eight hundred ninety-nine".