172714628409 has 4 divisors (see below), whose sum is σ = 230286171216. Its totient is φ = 115143085604.

The previous prime is 172714628393. The next prime is 172714628413. The reversal of 172714628409 is 904826417271.

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 not a de Polignac number, because 172714628409 - 2⁴ = 172714628393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172714628209) 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, 28785771399 + ... + 28785771404.

It is an arithmetic number, because the mean of its divisors is an integer number (57571542804).

Almost surely, 2^172714628409 is an apocalyptic number.

It is an amenable number.

172714628409 is a deficient number, since it is larger than the sum of its proper divisors (57571542807).

172714628409 is an equidigital number, since it uses as much as digits as its factorization.

172714628409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57571542806.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 172714628409 in words is "one hundred seventy-two billion, seven hundred fourteen million, six hundred twenty-eight thousand, four hundred nine".