409116835977 has 4 divisors (see below), whose sum is σ = 545489114640. Its totient is φ = 272744557316.

The previous prime is 409116835901. The next prime is 409116835979. The reversal of 409116835977 is 779538611904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 409116835977 - 2¹⁶ = 409116770441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 409116835977.

It is not an unprimeable number, because it can be changed into a prime (409116835979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68186139327 + ... + 68186139332.

It is an arithmetic number, because the mean of its divisors is an integer number (136372278660).

Almost surely, 2^409116835977 is an apocalyptic number.

It is an amenable number.

409116835977 is a deficient number, since it is larger than the sum of its proper divisors (136372278663).

409116835977 is a wasteful number, since it uses less digits than its factorization.

409116835977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136372278662.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 409116835977 in words is "four hundred nine billion, one hundred sixteen million, eight hundred thirty-five thousand, nine hundred seventy-seven".