6449974207 has 2 divisors, whose sum is σ = 6449974208. Its totient is φ = 6449974206.

The previous prime is 6449974151. The next prime is 6449974229. The reversal of 6449974207 is 7024799446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6449974207 - 2⁷ = 6449974079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6449974007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224987103 + 3224987104.

It is an arithmetic number, because the mean of its divisors is an integer number (3224987104).

Almost surely, 2^6449974207 is an apocalyptic number.

6449974207 is a deficient number, since it is larger than the sum of its proper divisors (1).

6449974207 is an equidigital number, since it uses as much as digits as its factorization.

6449974207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The square root of 6449974207 is about 80311.7314406806. The cubic root of 6449974207 is about 1861.4555037900.

The spelling of 6449974207 in words is "six billion, four hundred forty-nine million, nine hundred seventy-four thousand, two hundred seven".