172900319043 has 16 divisors (see below), whose sum is σ = 238510864800. Its totient is φ = 111279248640.

The previous prime is 172900319027. The next prime is 172900319083. The reversal of 172900319043 is 340913009271.

It is not a de Polignac number, because 172900319043 - 2⁴ = 172900319027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172900318992 and 172900319010.

It is not an unprimeable number, because it can be changed into a prime (172900319003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669513 + ... + 891093.

It is an arithmetic number, because the mean of its divisors is an integer number (14906929050).

Almost surely, 2^172900319043 is an apocalyptic number.

172900319043 is a deficient number, since it is larger than the sum of its proper divisors (65610545757).

172900319043 is a wasteful number, since it uses less digits than its factorization.

172900319043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230582.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 172900319043 in words is "one hundred seventy-two billion, nine hundred million, three hundred nineteen thousand, forty-three".