74671095491 has 2 divisors, whose sum is σ = 74671095492. Its totient is φ = 74671095490.

The previous prime is 74671095481. The next prime is 74671095503. The reversal of 74671095491 is 19459017647.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74671095491 is a prime.

It is not a weakly prime, because it can be changed into another prime (74671095431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37335547745 + 37335547746.

It is an arithmetic number, because the mean of its divisors is an integer number (37335547746).

Almost surely, 2^74671095491 is an apocalyptic number.

74671095491 is a deficient number, since it is larger than the sum of its proper divisors (1).

74671095491 is an equidigital number, since it uses as much as digits as its factorization.

74671095491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 74671095491 in words is "seventy-four billion, six hundred seventy-one million, ninety-five thousand, four hundred ninety-one".