172354694401 has 4 divisors (see below), whose sum is σ = 176362943152. Its totient is φ = 168346445652.

The previous prime is 172354694377. The next prime is 172354694417. The reversal of 172354694401 is 104496453271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172354694401 is a prime.

It is a super-2 number, since 2×172354694401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172354694101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004124311 + ... + 2004124396.

It is an arithmetic number, because the mean of its divisors is an integer number (44090735788).

Almost surely, 2^172354694401 is an apocalyptic number.

It is an amenable number.

172354694401 is a deficient number, since it is larger than the sum of its proper divisors (4008248751).

172354694401 is an equidigital number, since it uses as much as digits as its factorization.

172354694401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008248750.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 172354694401 in words is "one hundred seventy-two billion, three hundred fifty-four million, six hundred ninety-four thousand, four hundred one".