3930942971 has 2 divisors, whose sum is σ = 3930942972. Its totient is φ = 3930942970.

The previous prime is 3930942931. The next prime is 3930942979. The reversal of 3930942971 is 1792490393.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1792490393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3930942971 - 2¹⁰ = 3930941947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3930942979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965471485 + 1965471486.

It is an arithmetic number, because the mean of its divisors is an integer number (1965471486).

Almost surely, 2^3930942971 is an apocalyptic number.

3930942971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3930942971 is an equidigital number, since it uses as much as digits as its factorization.

3930942971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 3930942971 is about 62697.2325625302. The cubic root of 3930942971 is about 1578.2128715969.

The spelling of 3930942971 in words is "three billion, nine hundred thirty million, nine hundred forty-two thousand, nine hundred seventy-one".