2731982345 has 8 divisors (see below), whose sum is σ = 3319877760. Its totient is φ = 2157919920.

The previous prime is 2731982333. The next prime is 2731982347. The reversal of 2731982345 is 5432891372.

It is a happy number.

2731982345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2731982345 - 2²⁰ = 2730933769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2731982296 and 2731982305.

It is not an unprimeable number, because it can be changed into a prime (2731982347) 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, 3457811 + ... + 3458600.

It is an arithmetic number, because the mean of its divisors is an integer number (414984720).

Almost surely, 2^2731982345 is an apocalyptic number.

It is an amenable number.

2731982345 is a deficient number, since it is larger than the sum of its proper divisors (587895415).

2731982345 is an equidigital number, since it uses as much as digits as its factorization.

2731982345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916495.

The product of its digits is 362880, while the sum is 44.

The square root of 2731982345 is about 52268.3684937649. The cubic root of 2731982345 is about 1397.9531901303.

The spelling of 2731982345 in words is "two billion, seven hundred thirty-one million, nine hundred eighty-two thousand, three hundred forty-five".