7892256013 has 2 divisors, whose sum is σ = 7892256014. Its totient is φ = 7892256012.

The previous prime is 7892256007. The next prime is 7892256017. The reversal of 7892256013 is 3106522987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3983755689 + 3908500324 = 63117^2 + 62518^2 .

It is an emirp because it is prime and its reverse (3106522987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7892256013 - 2⁵ = 7892255981 is a prime.

It is a super-3 number, since 3×7892256013³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7892256017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3946128006 + 3946128007.

It is an arithmetic number, because the mean of its divisors is an integer number (3946128007).

Almost surely, 2^7892256013 is an apocalyptic number.

It is an amenable number.

7892256013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7892256013 is an equidigital number, since it uses as much as digits as its factorization.

7892256013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 7892256013 is about 88838.3701617719. The cubic root of 7892256013 is about 1990.9807218689.

The spelling of 7892256013 in words is "seven billion, eight hundred ninety-two million, two hundred fifty-six thousand, thirteen".