3135473991 has 24 divisors (see below), whose sum is σ = 4884903296. Its totient is φ = 1926555840.

The previous prime is 3135473989. The next prime is 3135474007. The reversal of 3135473991 is 1993745313.

3135473991 is a `hidden beast` number, since 3 + 13 + 547 + 3 + 9 + 91 = 666.

It is not a de Polignac number, because 3135473991 - 2¹ = 3135473989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135473911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57066 + ... + 97608.

Almost surely, 2^3135473991 is an apocalyptic number.

3135473991 is a deficient number, since it is larger than the sum of its proper divisors (1749429305).

3135473991 is a wasteful number, since it uses less digits than its factorization.

3135473991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41223 (or 41220 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3135473991 is about 55995.3032941157. The cubic root of 3135473991 is about 1463.6404415191.

The spelling of 3135473991 in words is "three billion, one hundred thirty-five million, four hundred seventy-three thousand, nine hundred ninety-one".