3964729847472 has 30 divisors (see below), whose sum is σ = 11095737004092. Its totient is φ = 1321576615776.

The previous prime is 3964729847471. The next prime is 3964729847527. The reversal of 3964729847472 is 2747489274693.

3964729847472 is a `hidden beast` number, since 3 + 9 + 6 + 4 + 72 + 9 + 84 + 7 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 3964729847472.

It is not an unprimeable number, because it can be changed into a prime (3964729847471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13766422938 + ... + 13766423225.

Almost surely, 2^{3964729847472} is an apocalyptic number.

It is an amenable number.

3964729847472 is an abundant number, since it is smaller than the sum of its proper divisors (7131007156620).

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

3964729847472 is a wasteful number, since it uses less digits than its factorization.

3964729847472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27532846177 (or 27532846168 counting only the distinct ones).

The product of its digits is 1024192512, while the sum is 72.

The spelling of 3964729847472 in words is "three trillion, nine hundred sixty-four billion, seven hundred twenty-nine million, eight hundred forty-seven thousand, four hundred seventy-two".