173402135983 has 2 divisors, whose sum is σ = 173402135984. Its totient is φ = 173402135982.

The previous prime is 173402135947. The next prime is 173402136059. The reversal of 173402135983 is 389531204371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173402135983 - 2³⁷ = 35963182511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173402135083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86701067991 + 86701067992.

It is an arithmetic number, because the mean of its divisors is an integer number (86701067992).

Almost surely, 2^173402135983 is an apocalyptic number.

173402135983 is a deficient number, since it is larger than the sum of its proper divisors (1).

173402135983 is an equidigital number, since it uses as much as digits as its factorization.

173402135983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 173402135983 in words is "one hundred seventy-three billion, four hundred two million, one hundred thirty-five thousand, nine hundred eighty-three".