8196381456964 has 24 divisors (see below), whose sum is σ = 14412372712920. Its totient is φ = 4078589239296.

The previous prime is 8196381456941. The next prime is 8196381456997. The reversal of 8196381456964 is 4696541836918.

It can be written as a sum of positive squares in 4 ways, for example, as 206713896964 + 7989667560000 = 454658^2 + 2826600^2 .

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8196381456893 and 8196381456902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420719 + ... + 4717270.

It is an arithmetic number, because the mean of its divisors is an integer number (600515529705).

Almost surely, 2^{8196381456964} is an apocalyptic number.

It is an amenable number.

8196381456964 is a deficient number, since it is larger than the sum of its proper divisors (6215991255956).

8196381456964 is a wasteful number, since it uses less digits than its factorization.

8196381456964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139367 (or 7139365 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 70.

The spelling of 8196381456964 in words is "eight trillion, one hundred ninety-six billion, three hundred eighty-one million, four hundred fifty-six thousand, nine hundred sixty-four".