2731640003 has 4 divisors (see below), whose sum is σ = 2731840728. Its totient is φ = 2731439280.

The previous prime is 2731639993. The next prime is 2731640029. The reversal of 2731640003 is 3000461372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2731640003 - 2⁴ = 2731639987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2731640063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78338 + ... + 107703.

It is an arithmetic number, because the mean of its divisors is an integer number (682960182).

Almost surely, 2^2731640003 is an apocalyptic number.

2731640003 is a deficient number, since it is larger than the sum of its proper divisors (200725).

2731640003 is a wasteful number, since it uses less digits than its factorization.

2731640003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200724.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 2731640003 is about 52265.0935424400. The cubic root of 2731640003 is about 1397.8947956482.

The spelling of 2731640003 in words is "two billion, seven hundred thirty-one million, six hundred forty thousand, three".