7961296513 has 8 divisors (see below), whose sum is σ = 8013519200. Its totient is φ = 7909187328.

The previous prime is 7961296501. The next prime is 7961296517. The reversal of 7961296513 is 3156921697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7961296513 - 2¹⁷ = 7961165441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7961296517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114718 + ... + 170536.

It is an arithmetic number, because the mean of its divisors is an integer number (1001689900).

Almost surely, 2^7961296513 is an apocalyptic number.

It is an amenable number.

7961296513 is a deficient number, since it is larger than the sum of its proper divisors (52222687).

7961296513 is a wasteful number, since it uses less digits than its factorization.

7961296513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56751.

The product of its digits is 612360, while the sum is 49.

The square root of 7961296513 is about 89226.0977124967. The cubic root of 7961296513 is about 1996.7694941421.

The spelling of 7961296513 in words is "seven billion, nine hundred sixty-one million, two hundred ninety-six thousand, five hundred thirteen".