2798415818 has 16 divisors (see below), whose sum is σ = 4726944000. Its totient is φ = 1230974400.

The previous prime is 2798415803. The next prime is 2798415859. The reversal of 2798415818 is 8185148972.

It is a super-2 number, since 2×2798415818² = 15662262180865218248, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2798415818.

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, 2050943 + ... + 2052306.

It is an arithmetic number, because the mean of its divisors is an integer number (295434000).

Almost surely, 2^2798415818 is an apocalyptic number.

2798415818 is a deficient number, since it is larger than the sum of its proper divisors (1928528182).

2798415818 is a wasteful number, since it uses less digits than its factorization.

2798415818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103293.

The product of its digits is 1290240, while the sum is 53.

The square root of 2798415818 is about 52900.0549905196. The cubic root of 2798415818 is about 1409.1938818903.

The spelling of 2798415818 in words is "two billion, seven hundred ninety-eight million, four hundred fifteen thousand, eight hundred eighteen".