964323749489 has 12 divisors (see below), whose sum is σ = 1008209178816. Its totient is φ = 922272746472.

The previous prime is 964323749453. The next prime is 964323749509. The reversal of 964323749489 is 984947323469.

It is not a de Polignac number, because 964323749489 - 2²⁴ = 964306972273 is a prime.

It is a super-2 number, since 2×964323749489² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964323749419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3947852 + ... + 4184994.

It is an arithmetic number, because the mean of its divisors is an integer number (84017431568).

Almost surely, 2^964323749489 is an apocalyptic number.

It is an amenable number.

964323749489 is a deficient number, since it is larger than the sum of its proper divisors (43885429327).

964323749489 is a wasteful number, since it uses less digits than its factorization.

964323749489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244876 (or 244853 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 68.

The spelling of 964323749489 in words is "nine hundred sixty-four billion, three hundred twenty-three million, seven hundred forty-nine thousand, four hundred eighty-nine".