2691484731 has 12 divisors (see below), whose sum is σ = 4186754208. Its totient is φ = 1656298224.

The previous prime is 2691484699. The next prime is 2691484753. The reversal of 2691484731 is 1374841962.

It is not a de Polignac number, because 2691484731 - 2⁵ = 2691484699 is a prime.

It is a super-3 number, since 3×2691484731³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2691484031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11501955 + ... + 11502188.

It is an arithmetic number, because the mean of its divisors is an integer number (348896184).

Almost surely, 2^2691484731 is an apocalyptic number.

2691484731 is a deficient number, since it is larger than the sum of its proper divisors (1495269477).

2691484731 is a wasteful number, since it uses less digits than its factorization.

2691484731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004162 (or 23004159 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 2691484731 is about 51879.5213065811. The cubic root of 2691484731 is about 1391.0112426333.

The spelling of 2691484731 in words is "two billion, six hundred ninety-one million, four hundred eighty-four thousand, seven hundred thirty-one".