3440257939 has 2 divisors, whose sum is σ = 3440257940. Its totient is φ = 3440257938.

The previous prime is 3440257883. The next prime is 3440257943. The reversal of 3440257939 is 9397520443.

3440257939 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 3440257939 - 2¹¹ = 3440255891 is a prime.

It is not a weakly prime, because it can be changed into another prime (3440257979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720128969 + 1720128970.

It is an arithmetic number, because the mean of its divisors is an integer number (1720128970).

Almost surely, 2^3440257939 is an apocalyptic number.

3440257939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440257939 is an equidigital number, since it uses as much as digits as its factorization.

3440257939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 3440257939 is about 58653.7120649665. The cubic root of 3440257939 is about 1509.6061922033.

The spelling of 3440257939 in words is "three billion, four hundred forty million, two hundred fifty-seven thousand, nine hundred thirty-nine".