7172672702213 has 2 divisors, whose sum is σ = 7172672702214. Its totient is φ = 7172672702212.

The previous prime is 7172672702207. The next prime is 7172672702243. The reversal of 7172672702213 is 3122072762717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4076332734049 + 3096339968164 = 2018993^2 + 1759642^2 .

It is a cyclic number.

It is not a de Polignac number, because 7172672702213 - 2²⁸ = 7172404266757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7172672702243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3586336351106 + 3586336351107.

It is an arithmetic number, because the mean of its divisors is an integer number (3586336351107).

Almost surely, 2^{7172672702213} is an apocalyptic number.

It is an amenable number.

7172672702213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7172672702213 is an equidigital number, since it uses as much as digits as its factorization.

7172672702213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 7172672702213 in words is "seven trillion, one hundred seventy-two billion, six hundred seventy-two million, seven hundred two thousand, two hundred thirteen".