3973149594 has 24 divisors (see below), whose sum is σ = 9114873300. Its totient is φ = 1246478208.

The previous prime is 3973149581. The next prime is 3973149601. The reversal of 3973149594 is 4959413793.

It is a happy number.

3973149594 is a `hidden beast` number, since 3 + 9 + 7 + 3 + 1 + 49 + 594 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3959555625 + 13593969 = 62925^2 + 3687^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3973149594.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6491769 + ... + 6492380.

Almost surely, 2^3973149594 is an apocalyptic number.

3973149594 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3973149594 is an abundant number, since it is smaller than the sum of its proper divisors (5141723706).

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

3973149594 is a wasteful number, since it uses less digits than its factorization.

3973149594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12984174 (or 12984171 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 3973149594 is about 63032.9246822643. The cubic root of 3973149594 is about 1583.8412112215.

The spelling of 3973149594 in words is "three billion, nine hundred seventy-three million, one hundred forty-nine thousand, five hundred ninety-four".