172253374463 has 16 divisors (see below), whose sum is σ = 194298289920. Its totient is φ = 151737664896.

The previous prime is 172253374453. The next prime is 172253374481. The reversal of 172253374463 is 364473352271.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172253374463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172253374453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3185795 + ... + 3239412.

It is an arithmetic number, because the mean of its divisors is an integer number (12143643120).

Almost surely, 2^172253374463 is an apocalyptic number.

172253374463 is a deficient number, since it is larger than the sum of its proper divisors (22044915457).

172253374463 is a wasteful number, since it uses less digits than its factorization.

172253374463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425326.

The product of its digits is 2540160, while the sum is 47.

The spelling of 172253374463 in words is "one hundred seventy-two billion, two hundred fifty-three million, three hundred seventy-four thousand, four hundred sixty-three".