2491474135 has 24 divisors (see below), whose sum is σ = 3065471136. Its totient is φ = 1943565120.

The previous prime is 2491474081. The next prime is 2491474267. The reversal of 2491474135 is 5314741942.

It is not a de Polignac number, because 2491474135 - 2³¹ = 343990487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4064089 + ... + 4064701.

It is an arithmetic number, because the mean of its divisors is an integer number (127727964).

Almost surely, 2^2491474135 is an apocalyptic number.

2491474135 is a deficient number, since it is larger than the sum of its proper divisors (573997001).

2491474135 is an equidigital number, since it uses as much as digits as its factorization.

2491474135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 796 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 2491474135 is about 49914.6685354115. The cubic root of 2491474135 is about 1355.6642005387.

The spelling of 2491474135 in words is "two billion, four hundred ninety-one million, four hundred seventy-four thousand, one hundred thirty-five".