92171858993 has 2 divisors, whose sum is σ = 92171858994. Its totient is φ = 92171858992.

The previous prime is 92171858981. The next prime is 92171859053. The reversal of 92171858993 is 39985817129.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80143911409 + 12027947584 = 283097^2 + 109672^2 .

It is a cyclic number.

It is not a de Polignac number, because 92171858993 - 2¹⁶ = 92171793457 is a prime.

It is not a weakly prime, because it can be changed into another prime (92171858293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46085929496 + 46085929497.

It is an arithmetic number, because the mean of its divisors is an integer number (46085929497).

Almost surely, 2^92171858993 is an apocalyptic number.

It is an amenable number.

92171858993 is a deficient number, since it is larger than the sum of its proper divisors (1).

92171858993 is an equidigital number, since it uses as much as digits as its factorization.

92171858993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 62.

The spelling of 92171858993 in words is "ninety-two billion, one hundred seventy-one million, eight hundred fifty-eight thousand, nine hundred ninety-three".