2198553879 has 16 divisors (see below), whose sum is σ = 2977033472. Its totient is φ = 1442916288.

The previous prime is 2198553869. The next prime is 2198553899. The reversal of 2198553879 is 9783558912.

It is not a de Polignac number, because 2198553879 - 2¹⁵ = 2198521111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198553869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494862 + ... + 499284.

It is an arithmetic number, because the mean of its divisors is an integer number (186064592).

Almost surely, 2^2198553879 is an apocalyptic number.

2198553879 is a deficient number, since it is larger than the sum of its proper divisors (778479593).

2198553879 is a wasteful number, since it uses less digits than its factorization.

2198553879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966.

The product of its digits is 5443200, while the sum is 57.

The square root of 2198553879 is about 46888.7393624525. The cubic root of 2198553879 is about 1300.3064127820.

The spelling of 2198553879 in words is "two billion, one hundred ninety-eight million, five hundred fifty-three thousand, eight hundred seventy-nine".