64465321206499 has 2 divisors, whose sum is σ = 64465321206500. Its totient is φ = 64465321206498.

The previous prime is 64465321206497. The next prime is 64465321206529. The reversal of 64465321206499 is 99460212356446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64465321206499 - 2¹ = 64465321206497 is a prime.

Together with 64465321206497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64465321206497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32232660603249 + 32232660603250.

It is an arithmetic number, because the mean of its divisors is an integer number (32232660603250).

Almost surely, 2^{64465321206499} is an apocalyptic number.

64465321206499 is a deficient number, since it is larger than the sum of its proper divisors (1).

64465321206499 is an equidigital number, since it uses as much as digits as its factorization.

64465321206499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 61.

The spelling of 64465321206499 in words is "sixty-four trillion, four hundred sixty-five billion, three hundred twenty-one million, two hundred six thousand, four hundred ninety-nine".