6455464039 has 2 divisors, whose sum is σ = 6455464040. Its totient is φ = 6455464038.

The previous prime is 6455464021. The next prime is 6455464079. The reversal of 6455464039 is 9304645546.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6455464039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6455464039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6455464079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227732019 + 3227732020.

It is an arithmetic number, because the mean of its divisors is an integer number (3227732020).

Almost surely, 2^6455464039 is an apocalyptic number.

6455464039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455464039 is an equidigital number, since it uses as much as digits as its factorization.

6455464039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The square root of 6455464039 is about 80345.9024406348. The cubic root of 6455464039 is about 1861.9834738637.

The spelling of 6455464039 in words is "six billion, four hundred fifty-five million, four hundred sixty-four thousand, thirty-nine".