3954697004164 has 9 divisors (see below), whose sum is σ = 6920726717541. Its totient is φ = 1977346513440.

The previous prime is 3954697004123. The next prime is 3954697004227. The reversal of 3954697004164 is 4614007964593.

The square root of 3954697004164 is 1988642.

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., 2987857445764 + 966839558400 = 1728542^2 + 983280^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3954697004099 and 3954697004108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3480124 + ... + 4474444.

Almost surely, 2^{3954697004164} is an apocalyptic number.

3954697004164 is the 1988642-nd square number.

It is an amenable number.

3954697004164 is a deficient number, since it is larger than the sum of its proper divisors (2966029713377).

3954697004164 is an frugal number, since it uses more digits than its factorization.

3954697004164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988646 (or 994323 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 3954697004164 in words is "three trillion, nine hundred fifty-four billion, six hundred ninety-seven million, four thousand, one hundred sixty-four".