104639424399 has 16 divisors (see below), whose sum is σ = 155055900000. Its totient is φ = 69744077568.

The previous prime is 104639424389. The next prime is 104639424443. The reversal of 104639424399 is 993424936401.

104639424399 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 394 + 243 + 9 + 9 = 666.

It is not a de Polignac number, because 104639424399 - 2¹³ = 104639416207 is a prime.

It is a super-2 number, since 2×104639424399² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104639424389) 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, 307524 + ... + 551225.

It is an arithmetic number, because the mean of its divisors is an integer number (9690993750).

Almost surely, 2^104639424399 is an apocalyptic number.

104639424399 is a deficient number, since it is larger than the sum of its proper divisors (50416475601).

104639424399 is an equidigital number, since it uses as much as digits as its factorization.

104639424399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863271 (or 863265 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 104639424399 in words is "one hundred four billion, six hundred thirty-nine million, four hundred twenty-four thousand, three hundred ninety-nine".