104407494721 has 2 divisors, whose sum is σ = 104407494722. Its totient is φ = 104407494720.

The previous prime is 104407494649. The next prime is 104407494727. The reversal of 104407494721 is 127494704401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104396841025 + 10653696 = 323105^2 + 3264^2 .

It is an emirp because it is prime and its reverse (127494704401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104407494721 - 2³⁵ = 70047756353 is a prime.

It is not a weakly prime, because it can be changed into another prime (104407494727) by changing a digit.

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 as a sum of consecutive naturals, namely, 52203747360 + 52203747361.

It is an arithmetic number, because the mean of its divisors is an integer number (52203747361).

Almost surely, 2^104407494721 is an apocalyptic number.

It is an amenable number.

104407494721 is a deficient number, since it is larger than the sum of its proper divisors (1).

104407494721 is an equidigital number, since it uses as much as digits as its factorization.

104407494721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 104407494721 in words is "one hundred four billion, four hundred seven million, four hundred ninety-four thousand, seven hundred twenty-one".