9275656648391 has 8 divisors (see below), whose sum is σ = 10600779015840. Its totient is φ = 7950541421088.

The previous prime is 9275656648387. The next prime is 9275656648393. The reversal of 9275656648391 is 1938466565729.

9275656648391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9275656648391 - 2² = 9275656648387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9275656648393) 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, 1370645 + ... + 4519953.

It is an arithmetic number, because the mean of its divisors is an integer number (1325097376980).

Almost surely, 2^{9275656648391} is an apocalyptic number.

9275656648391 is a deficient number, since it is larger than the sum of its proper divisors (1325122367449).

9275656648391 is a wasteful number, since it uses less digits than its factorization.

9275656648391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570073.

The product of its digits is 587865600, while the sum is 71.

The spelling of 9275656648391 in words is "nine trillion, two hundred seventy-five billion, six hundred fifty-six million, six hundred forty-eight thousand, three hundred ninety-one".