7935264643 has 2 divisors, whose sum is σ = 7935264644. Its totient is φ = 7935264642.

The previous prime is 7935264613. The next prime is 7935264647. The reversal of 7935264643 is 3464625397.

It is a strong prime.

It is an emirp because it is prime and its reverse (3464625397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7935264643 - 2⁵ = 7935264611 is a prime.

It is not a weakly prime, because it can be changed into another prime (7935264647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3967632321 + 3967632322.

It is an arithmetic number, because the mean of its divisors is an integer number (3967632322).

Almost surely, 2^7935264643 is an apocalyptic number.

7935264643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7935264643 is an equidigital number, since it uses as much as digits as its factorization.

7935264643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 49.

The square root of 7935264643 is about 89080.1023966632. The cubic root of 7935264643 is about 1994.5907702227.

The spelling of 7935264643 in words is "seven billion, nine hundred thirty-five million, two hundred sixty-four thousand, six hundred forty-three".