6497446451 has 2 divisors, whose sum is σ = 6497446452. Its totient is φ = 6497446450.

The previous prime is 6497446447. The next prime is 6497446469. The reversal of 6497446451 is 1546447946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6497446451 - 2² = 6497446447 is a prime.

It is a super-2 number, since 2×6497446451² = 84433620767224990802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6497446451.

It is not a weakly prime, because it can be changed into another prime (6497446411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248723225 + 3248723226.

It is an arithmetic number, because the mean of its divisors is an integer number (3248723226).

Almost surely, 2^6497446451 is an apocalyptic number.

6497446451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497446451 is an equidigital number, since it uses as much as digits as its factorization.

6497446451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 50.

The square root of 6497446451 is about 80606.7394887053. The cubic root of 6497446451 is about 1866.0111579337.

The spelling of 6497446451 in words is "six billion, four hundred ninety-seven million, four hundred forty-six thousand, four hundred fifty-one".