2740858489 has 4 divisors (see below), whose sum is σ = 2741363856. Its totient is φ = 2740353124.

The previous prime is 2740858447. The next prime is 2740858517. The reversal of 2740858489 is 9848580472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2740858489 - 2¹¹ = 2740856441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2740858189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244459 + ... + 255424.

It is an arithmetic number, because the mean of its divisors is an integer number (685340964).

Almost surely, 2^2740858489 is an apocalyptic number.

It is an amenable number.

2740858489 is a deficient number, since it is larger than the sum of its proper divisors (505367).

2740858489 is an equidigital number, since it uses as much as digits as its factorization.

2740858489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505366.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The square root of 2740858489 is about 52353.2089656403. The cubic root of 2740858489 is about 1399.4655254027.

The spelling of 2740858489 in words is "two billion, seven hundred forty million, eight hundred fifty-eight thousand, four hundred eighty-nine".