3942818039 has 2 divisors, whose sum is σ = 3942818040. Its totient is φ = 3942818038.

The previous prime is 3942818017. The next prime is 3942818051. The reversal of 3942818039 is 9308182493.

It is a happy number.

3942818039 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3942818039 - 2²⁴ = 3926040823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3942817984 and 3942818002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3942818059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971409019 + 1971409020.

It is an arithmetic number, because the mean of its divisors is an integer number (1971409020).

Almost surely, 2^3942818039 is an apocalyptic number.

3942818039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942818039 is an equidigital number, since it uses as much as digits as its factorization.

3942818039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 3942818039 is about 62791.8628406579. The cubic root of 3942818039 is about 1579.8004927550.

The spelling of 3942818039 in words is "three billion, nine hundred forty-two million, eight hundred eighteen thousand, thirty-nine".