968172999973 has 2 divisors, whose sum is σ = 968172999974. Its totient is φ = 968172999972.

The previous prime is 968172999943. The next prime is 968172999979. The reversal of 968172999973 is 379999271869.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925630637409 + 42542362564 = 962097^2 + 206258^2 .

It is a cyclic number.

It is not a de Polignac number, because 968172999973 - 2⁹ = 968172999461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 968172999893 and 968172999902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (968172999979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484086499986 + 484086499987.

It is an arithmetic number, because the mean of its divisors is an integer number (484086499987).

Almost surely, 2^968172999973 is an apocalyptic number.

It is an amenable number.

968172999973 is a deficient number, since it is larger than the sum of its proper divisors (1).

968172999973 is an equidigital number, since it uses as much as digits as its factorization.

968172999973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 833299488, while the sum is 79.

The spelling of 968172999973 in words is "nine hundred sixty-eight billion, one hundred seventy-two million, nine hundred ninety-nine thousand, nine hundred seventy-three".