104245993858 has 4 divisors (see below), whose sum is σ = 156368990790. Its totient is φ = 52122996928.

The previous prime is 104245993837. The next prime is 104245993871. The reversal of 104245993858 is 858399542401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858399542401 = 18743 ⋅45798407.

It can be written as a sum of positive squares in only one way, i.e., 55980979609 + 48265014249 = 236603^2 + 219693^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26061498463 + ... + 26061498466.

Almost surely, 2^104245993858 is an apocalyptic number.

104245993858 is a deficient number, since it is larger than the sum of its proper divisors (52122996932).

104245993858 is an equidigital number, since it uses as much as digits as its factorization.

104245993858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52122996931.

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 104245993858 in words is "one hundred four billion, two hundred forty-five million, nine hundred ninety-three thousand, eight hundred fifty-eight".