6410745779 has 2 divisors, whose sum is σ = 6410745780. Its totient is φ = 6410745778.

The previous prime is 6410745743. The next prime is 6410745793. The reversal of 6410745779 is 9775470146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6410745779 is a prime.

It is a super-2 number, since 2×6410745779² = 82195322885932633682, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6410745479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205372889 + 3205372890.

It is an arithmetic number, because the mean of its divisors is an integer number (3205372890).

Almost surely, 2^6410745779 is an apocalyptic number.

6410745779 is a deficient number, since it is larger than the sum of its proper divisors (1).

6410745779 is an equidigital number, since it uses as much as digits as its factorization.

6410745779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 6410745779 is about 80067.1329510430. The cubic root of 6410745779 is about 1857.6740667491.

The spelling of 6410745779 in words is "six billion, four hundred ten million, seven hundred forty-five thousand, seven hundred seventy-nine".