172389480199 has 4 divisors (see below), whose sum is σ = 173447084536. Its totient is φ = 171331875864.

The previous prime is 172389480097. The next prime is 172389480227. The reversal of 172389480199 is 991084983271.

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 172389480199 - 2³⁷ = 34950526727 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 (172389489199) 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, 528801924 + ... + 528802249.

It is an arithmetic number, because the mean of its divisors is an integer number (43361771134).

Almost surely, 2^172389480199 is an apocalyptic number.

172389480199 is a deficient number, since it is larger than the sum of its proper divisors (1057604337).

172389480199 is a wasteful number, since it uses less digits than its factorization.

172389480199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057604336.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 172389480199 in words is "one hundred seventy-two billion, three hundred eighty-nine million, four hundred eighty thousand, one hundred ninety-nine".