2798099253505 has 8 divisors (see below), whose sum is σ = 3390963848424. Its totient is φ = 2216316240000.

The previous prime is 2798099253451. The next prime is 2798099253527. The reversal of 2798099253505 is 5053529908972.

It is a Cunningham number, because it is equal to 1672752²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1007317337104 + 1790781916401 = 1003652^2 + 1338201^2 .

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

It is not a de Polignac number, because 2798099253505 - 2³¹ = 2795951769857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770394796 + ... + 2770395805.

It is an arithmetic number, because the mean of its divisors is an integer number (423870481053).

Almost surely, 2^{2798099253505} is an apocalyptic number.

It is an amenable number.

2798099253505 is a deficient number, since it is larger than the sum of its proper divisors (592864594919).

2798099253505 is a wasteful number, since it uses less digits than its factorization.

2798099253505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540790707.

The product of its (nonzero) digits is 61236000, while the sum is 64.

The spelling of 2798099253505 in words is "two trillion, seven hundred ninety-eight billion, ninety-nine million, two hundred fifty-three thousand, five hundred five".