4791395641 has 2 divisors, whose sum is σ = 4791395642. Its totient is φ = 4791395640.

The previous prime is 4791395639. The next prime is 4791395657. The reversal of 4791395641 is 1465931974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4441556025 + 349839616 = 66645^2 + 18704^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791395641 - 2¹ = 4791395639 is a prime.

Together with 4791395639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4791395611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395697820 + 2395697821.

It is an arithmetic number, because the mean of its divisors is an integer number (2395697821).

Almost surely, 2^4791395641 is an apocalyptic number.

It is an amenable number.

4791395641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791395641 is an equidigital number, since it uses as much as digits as its factorization.

4791395641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 4791395641 is about 69219.9078372689. The cubic root of 4791395641 is about 1685.8567836417.

The spelling of 4791395641 in words is "four billion, seven hundred ninety-one million, three hundred ninety-five thousand, six hundred forty-one".