172413428379 has 4 divisors (see below), whose sum is σ = 229884571176. Its totient is φ = 114942285584.

The previous prime is 172413428353. The next prime is 172413428417. The reversal of 172413428379 is 973824314271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172413428379 - 2¹⁹ = 172412904091 is a prime.

It is a super-3 number, since 3×172413428379³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (172413428279) 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, 28735571394 + ... + 28735571399.

It is an arithmetic number, because the mean of its divisors is an integer number (57471142794).

Almost surely, 2^172413428379 is an apocalyptic number.

172413428379 is a deficient number, since it is larger than the sum of its proper divisors (57471142797).

172413428379 is an equidigital number, since it uses as much as digits as its factorization.

172413428379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57471142796.

The product of its digits is 2032128, while the sum is 51.

The spelling of 172413428379 in words is "one hundred seventy-two billion, four hundred thirteen million, four hundred twenty-eight thousand, three hundred seventy-nine".