19401012096964 has 9 divisors (see below), whose sum is σ = 33951786585997. Its totient is φ = 9700501643824.

The previous prime is 19401012096929. The next prime is 19401012097039. The reversal of 19401012096964 is 46969021010491.

The square root of 19401012096964 is 4404658.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15857582336964 + 3543429760000 = 3982158^2 + 1882400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7708152 + ... + 9910480.

Almost surely, 2^{19401012096964} is an apocalyptic number.

19401012096964 is the 4404658-th square number.

It is an amenable number.

19401012096964 is a deficient number, since it is larger than the sum of its proper divisors (14550774489033).

19401012096964 is an frugal number, since it uses more digits than its factorization.

19401012096964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404662 (or 2202331 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 19401012096964 in words is "nineteen trillion, four hundred one billion, twelve million, ninety-six thousand, nine hundred sixty-four".