2729691131 has 8 divisors (see below), whose sum is σ = 2748131328. Its totient is φ = 2711313000.

The previous prime is 2729691119. The next prime is 2729691157. The reversal of 2729691131 is 1311969272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2729691131 - 2¹⁰ = 2729690107 is a prime.

It is a super-2 number, since 2×2729691131² = 14902427341320118322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2729691101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74486 + ... + 104916.

It is an arithmetic number, because the mean of its divisors is an integer number (343516416).

Almost surely, 2^2729691131 is an apocalyptic number.

2729691131 is a deficient number, since it is larger than the sum of its proper divisors (18440197).

2729691131 is a wasteful number, since it uses less digits than its factorization.

2729691131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31033.

The product of its digits is 40824, while the sum is 41.

The square root of 2729691131 is about 52246.4461088025. The cubic root of 2729691131 is about 1397.5622767020.

The spelling of 2729691131 in words is "two billion, seven hundred twenty-nine million, six hundred ninety-one thousand, one hundred thirty-one".