104745807075491 has 2 divisors, whose sum is σ = 104745807075492. Its totient is φ = 104745807075490.

The previous prime is 104745807075473. The next prime is 104745807075517. The reversal of 104745807075491 is 194570708547401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104745807075491 - 2³⁸ = 104470929168547 is a prime.

It is not a weakly prime, because it can be changed into another prime (104745807075421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52372903537745 + 52372903537746.

It is an arithmetic number, because the mean of its divisors is an integer number (52372903537746).

Almost surely, 2^{104745807075491} is an apocalyptic number.

104745807075491 is a deficient number, since it is larger than the sum of its proper divisors (1).

104745807075491 is an equidigital number, since it uses as much as digits as its factorization.

104745807075491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 104745807075491 in words is "one hundred four trillion, seven hundred forty-five billion, eight hundred seven million, seventy-five thousand, four hundred ninety-one".