964388899109 has 16 divisors (see below), whose sum is σ = 991577534976. Its totient is φ = 937486992000.

The previous prime is 964388899087. The next prime is 964388899127. The reversal of 964388899109 is 901998883469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964388899109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964388899169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10164329 + ... + 10258769.

It is an arithmetic number, because the mean of its divisors is an integer number (61973595936).

Almost surely, 2^964388899109 is an apocalyptic number.

It is an amenable number.

964388899109 is a deficient number, since it is larger than the sum of its proper divisors (27188635867).

964388899109 is a wasteful number, since it uses less digits than its factorization.

964388899109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95956.

The product of its (nonzero) digits is 241864704, while the sum is 74.

The spelling of 964388899109 in words is "nine hundred sixty-four billion, three hundred eighty-eight million, eight hundred ninety-nine thousand, one hundred nine".