2798313457 has 8 divisors (see below), whose sum is σ = 2813391360. Its totient is φ = 2783262240.

The previous prime is 2798313437. The next prime is 2798313461. The reversal of 2798313457 is 7543138972.

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

It is a cyclic number.

It is not a de Polignac number, because 2798313457 - 2²³ = 2789924849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2798313457.

It is not an unprimeable number, because it can be changed into a prime (2798313437) 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, 224844 + ... + 236962.

It is an arithmetic number, because the mean of its divisors is an integer number (351673920).

Almost surely, 2^2798313457 is an apocalyptic number.

It is an amenable number.

2798313457 is a deficient number, since it is larger than the sum of its proper divisors (15077903).

2798313457 is a wasteful number, since it uses less digits than its factorization.

2798313457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13343.

The product of its digits is 1270080, while the sum is 49.

The square root of 2798313457 is about 52899.0874874038. The cubic root of 2798313457 is about 1409.1766997578.

The spelling of 2798313457 in words is "two billion, seven hundred ninety-eight million, three hundred thirteen thousand, four hundred fifty-seven".