7192912513 has 2 divisors, whose sum is σ = 7192912514. Its totient is φ = 7192912512.

The previous prime is 7192912481. The next prime is 7192912541. The reversal of 7192912513 is 3152192917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4199947249 + 2992965264 = 64807^2 + 54708^2 .

It is an emirp because it is prime and its reverse (3152192917) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7192912513 - 2⁵ = 7192912481 is a prime.

It is not a weakly prime, because it can be changed into another prime (7192912583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3596456256 + 3596456257.

It is an arithmetic number, because the mean of its divisors is an integer number (3596456257).

Almost surely, 2^7192912513 is an apocalyptic number.

It is an amenable number.

7192912513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7192912513 is an equidigital number, since it uses as much as digits as its factorization.

7192912513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 40.

The square root of 7192912513 is about 84811.0400419662. The cubic root of 7192912513 is about 1930.3449599510.

The spelling of 7192912513 in words is "seven billion, one hundred ninety-two million, nine hundred twelve thousand, five hundred thirteen".