1964324600823 has 32 divisors (see below), whose sum is σ = 2887626551040. Its totient is φ = 1180104549120.

The previous prime is 1964324600809. The next prime is 1964324600863. The reversal of 1964324600823 is 3280064234691.

It is not a de Polignac number, because 1964324600823 - 2⁴⁰ = 864812973047 is a prime.

It is a super-2 number, since 2×1964324600823² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964324600803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3022843 + ... + 3614723.

It is an arithmetic number, because the mean of its divisors is an integer number (90238329720).

Almost surely, 2^{1964324600823} is an apocalyptic number.

1964324600823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1964324600823 is a deficient number, since it is larger than the sum of its proper divisors (923301950217).

1964324600823 is a wasteful number, since it uses less digits than its factorization.

1964324600823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593919.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 1964324600823 in words is "one trillion, nine hundred sixty-four billion, three hundred twenty-four million, six hundred thousand, eight hundred twenty-three".