2749693131 has 12 divisors (see below), whose sum is σ = 3990605320. Its totient is φ = 1824439680.

The previous prime is 2749693097. The next prime is 2749693223. The reversal of 2749693131 is 1313969472.

2749693131 is a `hidden beast` number, since 27 + 496 + 9 + 3 + 131 = 666.

It is not a de Polignac number, because 2749693131 - 2¹⁰ = 2749692107 is a prime.

It is a super-2 number, since 2×2749693131² = 15121624629337166322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2749693231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722086 + ... + 725883.

Almost surely, 2^2749693131 is an apocalyptic number.

2749693131 is a deficient number, since it is larger than the sum of its proper divisors (1240912189).

2749693131 is a wasteful number, since it uses less digits than its factorization.

2749693131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448186 (or 1448183 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 2749693131 is about 52437.5164457662. The cubic root of 2749693131 is about 1400.9675507221.

The spelling of 2749693131 in words is "two billion, seven hundred forty-nine million, six hundred ninety-three thousand, one hundred thirty-one".