3149981963 has 2 divisors, whose sum is σ = 3149981964. Its totient is φ = 3149981962.

The previous prime is 3149981927. The next prime is 3149981981. The reversal of 3149981963 is 3691899413.

It is a happy number.

3149981963 is digitally balanced in base 2, because in such base 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 3149981963 - 2⁸ = 3149981707 is a prime.

It is not a weakly prime, because it can be changed into another prime (3149980963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574990981 + 1574990982.

It is an arithmetic number, because the mean of its divisors is an integer number (1574990982).

Almost surely, 2^3149981963 is an apocalyptic number.

3149981963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149981963 is an equidigital number, since it uses as much as digits as its factorization.

3149981963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 53.

The square root of 3149981963 is about 56124.7001150118. The cubic root of 3149981963 is about 1465.8944109482.

The spelling of 3149981963 in words is "three billion, one hundred forty-nine million, nine hundred eighty-one thousand, nine hundred sixty-three".