7173247493 has 2 divisors, whose sum is σ = 7173247494. Its totient is φ = 7173247492.

The previous prime is 7173247391. The next prime is 7173247519. The reversal of 7173247493 is 3947423717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5517815524 + 1655431969 = 74282^2 + 40687^2 .

It is a cyclic number.

It is not a de Polignac number, because 7173247493 - 2²⁶ = 7106138629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7173247993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3586623746 + 3586623747.

It is an arithmetic number, because the mean of its divisors is an integer number (3586623747).

Almost surely, 2^7173247493 is an apocalyptic number.

It is an amenable number.

7173247493 is a deficient number, since it is larger than the sum of its proper divisors (1).

7173247493 is an equidigital number, since it uses as much as digits as its factorization.

7173247493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 47.

The square root of 7173247493 is about 84695.0263769957. The cubic root of 7173247493 is about 1928.5842026978.

The spelling of 7173247493 in words is "seven billion, one hundred seventy-three million, two hundred forty-seven thousand, four hundred ninety-three".