104789438649 has 24 divisors (see below), whose sum is σ = 174306255552. Its totient is φ = 59422577760.

The previous prime is 104789438629. The next prime is 104789438669. The reversal of 104789438649 is 946834987401.

104789438649 is a `hidden beast` number, since 1 + 0 + 478 + 9 + 43 + 86 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (104789438629) and next prime (104789438669).

It is not a de Polignac number, because 104789438649 - 2⁵ = 104789438617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (104789438629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6340314 + ... + 6356819.

It is an arithmetic number, because the mean of its divisors is an integer number (7262760648).

Almost surely, 2^104789438649 is an apocalyptic number.

It is an amenable number.

104789438649 is a deficient number, since it is larger than the sum of its proper divisors (69516816903).

104789438649 is a wasteful number, since it uses less digits than its factorization.

104789438649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697277 (or 12697274 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 104789438649 in words is "one hundred four billion, seven hundred eighty-nine million, four hundred thirty-eight thousand, six hundred forty-nine".