964646005517 has 2 divisors, whose sum is σ = 964646005518. Its totient is φ = 964646005516.

The previous prime is 964646005501. The next prime is 964646005621. The reversal of 964646005517 is 715500646469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906340176361 + 58305829156 = 952019^2 + 241466^2 .

It is a cyclic number.

It is not a de Polignac number, because 964646005517 - 2⁴ = 964646005501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964646005117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482323002758 + 482323002759.

It is an arithmetic number, because the mean of its divisors is an integer number (482323002759).

Almost surely, 2^964646005517 is an apocalyptic number.

It is an amenable number.

964646005517 is a deficient number, since it is larger than the sum of its proper divisors (1).

964646005517 is an equidigital number, since it uses as much as digits as its factorization.

964646005517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 964646005517 in words is "nine hundred sixty-four billion, six hundred forty-six million, five thousand, five hundred seventeen".