1964974972704 has 24 divisors (see below), whose sum is σ = 5158059303600. Its totient is φ = 654991657536.

The previous prime is 1964974972703. The next prime is 1964974972729. The reversal of 1964974972704 is 4072794794691.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1964974972704² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1964974972703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10234244554 + ... + 10234244745.

It is an arithmetic number, because the mean of its divisors is an integer number (214919137650).

Almost surely, 2^{1964974972704} is an apocalyptic number.

It is an amenable number.

1964974972704 is an abundant number, since it is smaller than the sum of its proper divisors (3193084330896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1964974972704 is a wasteful number, since it uses less digits than its factorization.

1964974972704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20468489312 (or 20468489304 counting only the distinct ones).

The product of its (nonzero) digits is 192036096, while the sum is 69.

The spelling of 1964974972704 in words is "one trillion, nine hundred sixty-four billion, nine hundred seventy-four million, nine hundred seventy-two thousand, seven hundred four".