7691248065 has 16 divisors (see below), whose sum is σ = 12349487808. Its totient is φ = 4087502016.

The previous prime is 7691248043. The next prime is 7691248067. The reversal of 7691248065 is 5608421967.

It is not a de Polignac number, because 7691248065 - 2¹⁶ = 7691182529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7691248067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901674 + ... + 910163.

It is an arithmetic number, because the mean of its divisors is an integer number (771842988).

Almost surely, 2^7691248065 is an apocalyptic number.

It is an amenable number.

7691248065 is a deficient number, since it is larger than the sum of its proper divisors (4658239743).

7691248065 is a wasteful number, since it uses less digits than its factorization.

7691248065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812128.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 7691248065 is about 87699.7609175761. The cubic root of 7691248065 is about 1973.9323880087.

The spelling of 7691248065 in words is "seven billion, six hundred ninety-one million, two hundred forty-eight thousand, sixty-five".