172345756013 has 8 divisors (see below), whose sum is σ = 176055886848. Its totient is φ = 168637425264.

The previous prime is 172345756007. The next prime is 172345756049. The reversal of 172345756013 is 310657543271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172345756013 - 2¹⁶ = 172345690477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172345756313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255581 + ... + 640322.

It is an arithmetic number, because the mean of its divisors is an integer number (22006985856).

Almost surely, 2^172345756013 is an apocalyptic number.

It is an amenable number.

172345756013 is a deficient number, since it is larger than the sum of its proper divisors (3710130835).

172345756013 is an equidigital number, since it uses as much as digits as its factorization.

172345756013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900043.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 172345756013 in words is "one hundred seventy-two billion, three hundred forty-five million, seven hundred fifty-six thousand, thirteen".