3135398789 has 2 divisors, whose sum is σ = 3135398790. Its totient is φ = 3135398788.

The previous prime is 3135398741. The next prime is 3135398821. The reversal of 3135398789 is 9878935313.

It is a happy number.

3135398789 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 can be written as a sum of positive squares in only one way, i.e., 2917836289 + 217562500 = 54017^2 + 14750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3135398789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3135398729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567699394 + 1567699395.

It is an arithmetic number, because the mean of its divisors is an integer number (1567699395).

Almost surely, 2^3135398789 is an apocalyptic number.

It is an amenable number.

3135398789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3135398789 is an equidigital number, since it uses as much as digits as its factorization.

3135398789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The square root of 3135398789 is about 55994.6317873419. The cubic root of 3135398789 is about 1463.6287399849.

The spelling of 3135398789 in words is "three billion, one hundred thirty-five million, three hundred ninety-eight thousand, seven hundred eighty-nine".