173930469091 has 2 divisors, whose sum is σ = 173930469092. Its totient is φ = 173930469090.

The previous prime is 173930469023. The next prime is 173930469101. The reversal of 173930469091 is 190964039371.

173930469091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 173930469091 - 2²⁹ = 173393598179 is a prime.

It is not a weakly prime, because it can be changed into another prime (173930469491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86965234545 + 86965234546.

It is an arithmetic number, because the mean of its divisors is an integer number (86965234546).

Almost surely, 2^173930469091 is an apocalyptic number.

173930469091 is a deficient number, since it is larger than the sum of its proper divisors (1).

173930469091 is an equidigital number, since it uses as much as digits as its factorization.

173930469091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 173930469091 in words is "one hundred seventy-three billion, nine hundred thirty million, four hundred sixty-nine thousand, ninety-one".