104956851609 has 12 divisors (see below), whose sum is σ = 151660380976. Its totient is φ = 69945369912.

The previous prime is 104956851583. The next prime is 104956851619. The reversal of 104956851609 is 906158659401.

104956851609 is a `hidden beast` number, since 10 + 4 + 9 + 568 + 5 + 1 + 60 + 9 = 666.

It is not a de Polignac number, because 104956851609 - 2⁷ = 104956851481 is a prime.

It is a super-2 number, since 2×104956851609² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104956851619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2129659 + ... + 2178384.

Almost surely, 2^104956851609 is an apocalyptic number.

It is an amenable number.

104956851609 is a deficient number, since it is larger than the sum of its proper divisors (46703529367).

104956851609 is a wasteful number, since it uses less digits than its factorization.

104956851609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310756 (or 4310753 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 104956851609 in words is "one hundred four billion, nine hundred fifty-six million, eight hundred fifty-one thousand, six hundred nine".