2198963768 has 8 divisors (see below), whose sum is σ = 4123057080. Its totient is φ = 1099481880.

The previous prime is 2198963749. The next prime is 2198963797. The reversal of 2198963768 is 8673698912.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137435228 + ... + 137435243.

It is an arithmetic number, because the mean of its divisors is an integer number (515382135).

Almost surely, 2^2198963768 is an apocalyptic number.

It is an amenable number.

2198963768 is a deficient number, since it is larger than the sum of its proper divisors (1924093312).

2198963768 is a wasteful number, since it uses less digits than its factorization.

2198963768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274870477 (or 274870473 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 2198963768 is about 46893.1100269539. The cubic root of 2198963768 is about 1300.3872156197.

The spelling of 2198963768 in words is "two billion, one hundred ninety-eight million, nine hundred sixty-three thousand, seven hundred sixty-eight".