3926429436484 has 9 divisors (see below), whose sum is σ = 6871258449181. Its totient is φ = 1963212736720.

The previous prime is 3926429436451. The next prime is 3926429436551. The reversal of 3926429436484 is 4846349246293.

The square root of 3926429436484 is 1981522.

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., 3039366850884 + 887062585600 = 1743378^2 + 941840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3467664 + ... + 4458424.

Almost surely, 2^{3926429436484} is an apocalyptic number.

3926429436484 is the 1981522-nd square number.

It is an amenable number.

3926429436484 is a deficient number, since it is larger than the sum of its proper divisors (2944829012697).

3926429436484 is an frugal number, since it uses more digits than its factorization.

3926429436484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981526 (or 990763 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 64.

Multiplying 3926429436484 by its sum of digits (64), we get a square (251291483934976 = 15852176²).

The spelling of 3926429436484 in words is "three trillion, nine hundred twenty-six billion, four hundred twenty-nine million, four hundred thirty-six thousand, four hundred eighty-four".