64455353709913 has 2 divisors, whose sum is σ = 64455353709914. Its totient is φ = 64455353709912.

The previous prime is 64455353709907. The next prime is 64455353709983. The reversal of 64455353709913 is 31990735355446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33462383870224 + 30992969839689 = 5784668^2 + 5567133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64455353709913 is a prime.

It is a super-3 number, since 3×64455353709913³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (64455353709983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32227676854956 + 32227676854957.

It is an arithmetic number, because the mean of its divisors is an integer number (32227676854957).

Almost surely, 2^{64455353709913} is an apocalyptic number.

It is an amenable number.

64455353709913 is a deficient number, since it is larger than the sum of its proper divisors (1).

64455353709913 is an equidigital number, since it uses as much as digits as its factorization.

64455353709913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708000, while the sum is 64.

The spelling of 64455353709913 in words is "sixty-four trillion, four hundred fifty-five billion, three hundred fifty-three million, seven hundred nine thousand, nine hundred thirteen".