2758456459 has 4 divisors (see below), whose sum is σ = 3009225240. Its totient is φ = 2507687680.

The previous prime is 2758456439. The next prime is 2758456483. The reversal of 2758456459 is 9546548572.

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 2758456459 - 2¹⁵ = 2758423691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2758456439) 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, 125384374 + ... + 125384395.

It is an arithmetic number, because the mean of its divisors is an integer number (752306310).

Almost surely, 2^2758456459 is an apocalyptic number.

2758456459 is a deficient number, since it is larger than the sum of its proper divisors (250768781).

2758456459 is a wasteful number, since it uses less digits than its factorization.

2758456459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250768780.

The product of its digits is 12096000, while the sum is 55.

The square root of 2758456459 is about 52521.0096913607. The cubic root of 2758456459 is about 1402.4542764677.

The spelling of 2758456459 in words is "two billion, seven hundred fifty-eight million, four hundred fifty-six thousand, four hundred fifty-nine".