3955412947684 has 27 divisors (see below), whose sum is σ = 7608533449993. Its totient is φ = 1797895088000.

The previous prime is 3955412947589. The next prime is 3955412947697. The reversal of 3955412947684 is 4867492145593.

The square root of 3955412947684 is 1988822.

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., 971363994084 + 2984048953600 = 985578^2 + 1727440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43708884 + ... + 43799284.

Almost surely, 2^{3955412947684} is an apocalyptic number.

3955412947684 is the 1988822-nd square number.

It is an amenable number.

3955412947684 is a deficient number, since it is larger than the sum of its proper divisors (3653120502309).

3955412947684 is an frugal number, since it uses more digits than its factorization.

3955412947684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180828 (or 90414 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 67.

The spelling of 3955412947684 in words is "three trillion, nine hundred fifty-five billion, four hundred twelve million, nine hundred forty-seven thousand, six hundred eighty-four".