173145934607 has 2 divisors, whose sum is σ = 173145934608. Its totient is φ = 173145934606.

The previous prime is 173145934583. The next prime is 173145934639. The reversal of 173145934607 is 706439541371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173145934607 - 2²⁶ = 173078825743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173135934607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86572967303 + 86572967304.

It is an arithmetic number, because the mean of its divisors is an integer number (86572967304).

Almost surely, 2^173145934607 is an apocalyptic number.

173145934607 is a deficient number, since it is larger than the sum of its proper divisors (1).

173145934607 is an equidigital number, since it uses as much as digits as its factorization.

173145934607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 173145934607 in words is "one hundred seventy-three billion, one hundred forty-five million, nine hundred thirty-four thousand, six hundred seven".