2731699386 has 48 divisors (see below), whose sum is σ = 6402168864. Its totient is φ = 836803872.

The previous prime is 2731699357. The next prime is 2731699391. The reversal of 2731699386 is 6839961372.

2731699386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27405 + ... + 78831.

It is an arithmetic number, because the mean of its divisors is an integer number (133378518).

Almost surely, 2^2731699386 is an apocalyptic number.

2731699386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731699386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201084432).

2731699386 is an abundant number, since it is smaller than the sum of its proper divisors (3670469478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731699386 is a wasteful number, since it uses less digits than its factorization.

2731699386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51675 (or 51672 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 2731699386 is about 52265.6616336194. The cubic root of 2731699386 is about 1397.9049251657.

The spelling of 2731699386 in words is "two billion, seven hundred thirty-one million, six hundred ninety-nine thousand, three hundred eighty-six".