7172366893 has 2 divisors, whose sum is σ = 7172366894. Its totient is φ = 7172366892.

The previous prime is 7172366843. The next prime is 7172366899. The reversal of 7172366893 is 3986632717.

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., 7085093929 + 87272964 = 84173^2 + 9342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7172366893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7172366893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7172366899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3586183446 + 3586183447.

It is an arithmetic number, because the mean of its divisors is an integer number (3586183447).

Almost surely, 2^7172366893 is an apocalyptic number.

It is an amenable number.

7172366893 is a deficient number, since it is larger than the sum of its proper divisors (1).

7172366893 is an equidigital number, since it uses as much as digits as its factorization.

7172366893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The square root of 7172366893 is about 84689.8275650624. The cubic root of 7172366893 is about 1928.5052807148.

The spelling of 7172366893 in words is "seven billion, one hundred seventy-two million, three hundred sixty-six thousand, eight hundred ninety-three".