6497446469 has 2 divisors, whose sum is σ = 6497446470. Its totient is φ = 6497446468.

The previous prime is 6497446451. The next prime is 6497446507. The reversal of 6497446469 is 9646447946.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4104964900 + 2392481569 = 64070^2 + 48913^2 .

It is a cyclic number.

It is not a de Polignac number, because 6497446469 - 2¹⁶ = 6497380933 is a prime.

It is a super-2 number, since 2×6497446469² = 84433621235041135922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6497446429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248723234 + 3248723235.

It is an arithmetic number, because the mean of its divisors is an integer number (3248723235).

Almost surely, 2^6497446469 is an apocalyptic number.

It is an amenable number.

6497446469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497446469 is an equidigital number, since it uses as much as digits as its factorization.

6497446469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 59.

The square root of 6497446469 is about 80606.7396003585. The cubic root of 6497446469 is about 1866.0111596569.

The spelling of 6497446469 in words is "six billion, four hundred ninety-seven million, four hundred forty-six thousand, four hundred sixty-nine".