3942630709 has 2 divisors, whose sum is σ = 3942630710. Its totient is φ = 3942630708.

The previous prime is 3942630677. The next prime is 3942630743. The reversal of 3942630709 is 9070362493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3884031684 + 58599025 = 62322^2 + 7655^2 .

It is a cyclic number.

It is not a de Polignac number, because 3942630709 - 2⁵ = 3942630677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3942630749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971315354 + 1971315355.

It is an arithmetic number, because the mean of its divisors is an integer number (1971315355).

Almost surely, 2^3942630709 is an apocalyptic number.

It is an amenable number.

3942630709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942630709 is an equidigital number, since it uses as much as digits as its factorization.

3942630709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 3942630709 is about 62790.3711487677. The cubic root of 3942630709 is about 1579.7754726881.

The spelling of 3942630709 in words is "three billion, nine hundred forty-two million, six hundred thirty thousand, seven hundred nine".