3135473989 has 2 divisors, whose sum is σ = 3135473990. Its totient is φ = 3135473988.

The previous prime is 3135473987. The next prime is 3135474007. The reversal of 3135473989 is 9893745313.

3135473989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2636309025 + 499164964 = 51345^2 + 22342^2 .

It is an emirp because it is prime and its reverse (9893745313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3135473989 - 2¹ = 3135473987 is a prime.

Together with 3135473987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3135473981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567736994 + 1567736995.

It is an arithmetic number, because the mean of its divisors is an integer number (1567736995).

Almost surely, 2^3135473989 is an apocalyptic number.

It is an amenable number.

3135473989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3135473989 is an equidigital number, since it uses as much as digits as its factorization.

3135473989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The square root of 3135473989 is about 55995.3032762570. The cubic root of 3135473989 is about 1463.6404412079.

The spelling of 3135473989 in words is "three billion, one hundred thirty-five million, four hundred seventy-three thousand, nine hundred eighty-nine".