6392173993 has 2 divisors, whose sum is σ = 6392173994. Its totient is φ = 6392173992.

The previous prime is 6392173979. The next prime is 6392174027. The reversal of 6392173993 is 3993712936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6327725209 + 64448784 = 79547^2 + 8028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6392173993 is a prime.

It is a super-3 number, since 3×6392173993³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6392173993.

It is not a weakly prime, because it can be changed into another prime (6392173903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3196086996 + 3196086997.

It is an arithmetic number, because the mean of its divisors is an integer number (3196086997).

Almost surely, 2^6392173993 is an apocalyptic number.

It is an amenable number.

6392173993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6392173993 is an equidigital number, since it uses as much as digits as its factorization.

6392173993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653372, while the sum is 52.

The square root of 6392173993 is about 79951.0724943700. The cubic root of 6392173993 is about 1855.8784517149.

The spelling of 6392173993 in words is "six billion, three hundred ninety-two million, one hundred seventy-three thousand, nine hundred ninety-three".