7130786515697 has 4 divisors (see below), whose sum is σ = 7679308555380. Its totient is φ = 6582264476016.

The previous prime is 7130786515691. The next prime is 7130786515703. The reversal of 7130786515697 is 7965156870317.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7130786515691) and next prime (7130786515703).

It can be written as a sum of positive squares in 2 ways, for example, as 377731930801 + 6753054584896 = 614599^2 + 2598664^2 .

It is a cyclic number.

It is not a de Polignac number, because 7130786515697 - 2⁸ = 7130786515441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7130786515691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274261019822 + ... + 274261019847.

It is an arithmetic number, because the mean of its divisors is an integer number (1919827138845).

Almost surely, 2^{7130786515697} is an apocalyptic number.

It is an amenable number.

7130786515697 is a deficient number, since it is larger than the sum of its proper divisors (548522039683).

7130786515697 is a wasteful number, since it uses less digits than its factorization.

7130786515697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548522039682.

The product of its (nonzero) digits is 66679200, while the sum is 65.

The spelling of 7130786515697 in words is "seven trillion, one hundred thirty billion, seven hundred eighty-six million, five hundred fifteen thousand, six hundred ninety-seven".