6413779 has 2 divisors, whose sum is σ = 6413780. Its totient is φ = 6413778.

The previous prime is 6413741. The next prime is 6413783. The reversal of 6413779 is 9773146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6413779 - 2⁷ = 6413651 is a prime.

It is a super-2 number, since 2×6413779² = 82273122121682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6413789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206889 + 3206890.

It is an arithmetic number, because the mean of its divisors is an integer number (3206890).

Almost surely, 2^6413779 is an apocalyptic number.

6413779 is a deficient number, since it is larger than the sum of its proper divisors (1).

6413779 is an equidigital number, since it uses as much as digits as its factorization.

6413779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 6413779 is about 2532.5439779005. The cubic root of 6413779 is about 185.7967004458.

The spelling of 6413779 in words is "six million, four hundred thirteen thousand, seven hundred seventy-nine".