104445391139 has 2 divisors, whose sum is σ = 104445391140. Its totient is φ = 104445391138.

The previous prime is 104445391123. The next prime is 104445391151. The reversal of 104445391139 is 931193544401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104445391139 - 2⁴ = 104445391123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104445391139.

It is not a weakly prime, because it can be changed into another prime (104445391189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52222695569 + 52222695570.

It is an arithmetic number, because the mean of its divisors is an integer number (52222695570).

Almost surely, 2^104445391139 is an apocalyptic number.

104445391139 is a deficient number, since it is larger than the sum of its proper divisors (1).

104445391139 is an equidigital number, since it uses as much as digits as its factorization.

104445391139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 104445391139 in words is "one hundred four billion, four hundred forty-five million, three hundred ninety-one thousand, one hundred thirty-nine".