3943000042 has 16 divisors (see below), whose sum is σ = 6227222400. Its totient is φ = 1867307040.

The previous prime is 3943000037. The next prime is 3943000067. The reversal of 3943000042 is 2400003493.

It is a junction number, because it is equal to n+sod(n) for n = 3942999980 and 3943000016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207934 + ... + 226102.

It is an arithmetic number, because the mean of its divisors is an integer number (389201400).

Almost surely, 2^3943000042 is an apocalyptic number.

3943000042 is a deficient number, since it is larger than the sum of its proper divisors (2284222358).

3943000042 is a wasteful number, since it uses less digits than its factorization.

3943000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23901.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3943000042 is about 62793.3120801889. The cubic root of 3943000042 is about 1579.8248005811.

The spelling of 3943000042 in words is "three billion, nine hundred forty-three million, forty-two", and thus it is an aban number.