2731698432 has 180 divisors, whose sum is σ = 8230942720. Its totient is φ = 901020672.

The previous prime is 2731698427. The next prime is 2731698451. The reversal of 2731698432 is 2348961372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2135169 + ... + 2136447.

Almost surely, 2^2731698432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731698432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4115471360).

2731698432 is an abundant number, since it is smaller than the sum of its proper divisors (5499244288).

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

2731698432 is a wasteful number, since it uses less digits than its factorization.

2731698432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1387 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2731698432 is about 52265.6525071676. The cubic root of 2731698432 is about 1397.9047624340.

The spelling of 2731698432 in words is "two billion, seven hundred thirty-one million, six hundred ninety-eight thousand, four hundred thirty-two".