409670779102 has 32 divisors (see below), whose sum is σ = 678039828480. Its totient is φ = 184433652480.

The previous prime is 409670779079. The next prime is 409670779157. The reversal of 409670779102 is 201977076904.

It is a self number, because there is not a number n which added to its sum of digits gives 409670779102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6395043 + ... + 6458785.

It is an arithmetic number, because the mean of its divisors is an integer number (21188744640).

Almost surely, 2^409670779102 is an apocalyptic number.

409670779102 is a deficient number, since it is larger than the sum of its proper divisors (268369049378).

409670779102 is a wasteful number, since it uses less digits than its factorization.

409670779102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69828.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 409670779102 in words is "four hundred nine billion, six hundred seventy million, seven hundred seventy-nine thousand, one hundred two".