5173685392981 has 16 divisors (see below), whose sum is σ = 5935335022080. Its totient is φ = 4417677740160.

The previous prime is 5173685392937. The next prime is 5173685392991. The reversal of 5173685392981 is 1892935863715.

5173685392981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5173685392981 - 2³³ = 5165095458389 is a prime.

It is a super-2 number, since 2×5173685392981² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5173685392991) 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, 15575055 + ... + 15903763.

It is an arithmetic number, because the mean of its divisors is an integer number (370958438880).

Almost surely, 2^{5173685392981} is an apocalyptic number.

It is an amenable number.

5173685392981 is a deficient number, since it is larger than the sum of its proper divisors (761649629099).

5173685392981 is a wasteful number, since it uses less digits than its factorization.

5173685392981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337284.

The product of its digits is 97977600, while the sum is 67.

The spelling of 5173685392981 in words is "five trillion, one hundred seventy-three billion, six hundred eighty-five million, three hundred ninety-two thousand, nine hundred eighty-one".