7712020643 has 2 divisors, whose sum is σ = 7712020644. Its totient is φ = 7712020642.

The previous prime is 7712020627. The next prime is 7712020651. The reversal of 7712020643 is 3460202177.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7712020643 - 2⁴ = 7712020627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7712020243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856010321 + 3856010322.

It is an arithmetic number, because the mean of its divisors is an integer number (3856010322).

Almost surely, 2^7712020643 is an apocalyptic number.

7712020643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7712020643 is an equidigital number, since it uses as much as digits as its factorization.

7712020643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 7712020643 is about 87818.1111331825. Note that the first 4 decimals coincide. The cubic root of 7712020643 is about 1975.7078608192.

The spelling of 7712020643 in words is "seven billion, seven hundred twelve million, twenty thousand, six hundred forty-three".