3943213542 has 32 divisors (see below), whose sum is σ = 8853045600. Its totient is φ = 1300852224.

The previous prime is 3943213537. The next prime is 3943213591. The reversal of 3943213542 is 2453123493.

3943213542 is a `hidden beast` number, since 3 + 94 + 3 + 21 + 3 + 542 = 666.

3943213542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3943213497 and 3943213506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371167 + ... + 381642.

It is an arithmetic number, because the mean of its divisors is an integer number (276657675).

Almost surely, 2^3943213542 is an apocalyptic number.

3943213542 is an abundant number, since it is smaller than the sum of its proper divisors (4909832058).

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

3943213542 is a wasteful number, since it uses less digits than its factorization.

3943213542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752917 (or 752911 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 3943213542 is about 62795.0120789860. The cubic root of 3943213542 is about 1579.8533141075.

The spelling of 3943213542 in words is "three billion, nine hundred forty-three million, two hundred thirteen thousand, five hundred forty-two".