7853697613 has 2 divisors, whose sum is σ = 7853697614. Its totient is φ = 7853697612.

The previous prime is 7853697563. The next prime is 7853697647. The reversal of 7853697613 is 3167963587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6750594244 + 1103103369 = 82162^2 + 33213^2 .

It is a cyclic number.

It is not a de Polignac number, because 7853697613 - 2¹⁷ = 7853566541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7853697673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3926848806 + 3926848807.

It is an arithmetic number, because the mean of its divisors is an integer number (3926848807).

Almost surely, 2^7853697613 is an apocalyptic number.

It is an amenable number.

7853697613 is a deficient number, since it is larger than the sum of its proper divisors (1).

7853697613 is an equidigital number, since it uses as much as digits as its factorization.

7853697613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 55.

The square root of 7853697613 is about 88621.0901140355. The cubic root of 7853697613 is about 1987.7330492013.

The spelling of 7853697613 in words is "seven billion, eight hundred fifty-three million, six hundred ninety-seven thousand, six hundred thirteen".