7647325641 has 8 divisors (see below), whose sum is σ = 11329371360. Its totient is φ = 5098217076.

The previous prime is 7647325633. The next prime is 7647325643. The reversal of 7647325641 is 1465237467.

7647325641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7647325641 - 2³ = 7647325633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7647325643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141617115 + ... + 141617168.

It is an arithmetic number, because the mean of its divisors is an integer number (1416171420).

Almost surely, 2^7647325641 is an apocalyptic number.

It is an amenable number.

7647325641 is a deficient number, since it is larger than the sum of its proper divisors (3682045719).

7647325641 is a wasteful number, since it uses less digits than its factorization.

7647325641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283234292 (or 283234286 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 7647325641 is about 87448.9887934675. The cubic root of 7647325641 is about 1970.1676994845.

The spelling of 7647325641 in words is "seven billion, six hundred forty-seven million, three hundred twenty-five thousand, six hundred forty-one".