3942659407 has 2 divisors, whose sum is σ = 3942659408. Its totient is φ = 3942659406.

The previous prime is 3942659389. The next prime is 3942659449. The reversal of 3942659407 is 7049562493.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3942659407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3942659477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971329703 + 1971329704.

It is an arithmetic number, because the mean of its divisors is an integer number (1971329704).

Almost surely, 2^3942659407 is an apocalyptic number.

3942659407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942659407 is an equidigital number, since it uses as much as digits as its factorization.

3942659407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 3942659407 is about 62790.5996706513. The cubic root of 3942659407 is about 1579.7793056861.

The spelling of 3942659407 in words is "three billion, nine hundred forty-two million, six hundred fifty-nine thousand, four hundred seven".