3979215043 has 2 divisors, whose sum is σ = 3979215044. Its totient is φ = 3979215042.

The previous prime is 3979214989. The next prime is 3979215091. The reversal of 3979215043 is 3405129793.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3979215043 is a prime.

It is not a weakly prime, because it can be changed into another prime (3979212043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989607521 + 1989607522.

It is an arithmetic number, because the mean of its divisors is an integer number (1989607522).

Almost surely, 2^3979215043 is an apocalyptic number.

3979215043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3979215043 is an equidigital number, since it uses as much as digits as its factorization.

3979215043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 3979215043 is about 63081.0196731156. The cubic root of 3979215043 is about 1584.6467705929.

The spelling of 3979215043 in words is "three billion, nine hundred seventy-nine million, two hundred fifteen thousand, forty-three".