2198934037688 has 32 divisors (see below), whose sum is σ = 4184209459200. Its totient is φ = 1083204970848.

The previous prime is 2198934037687. The next prime is 2198934037739. The reversal of 2198934037688 is 8867304398912.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198934037681) 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, 3464756 + ... + 4049987.

It is an arithmetic number, because the mean of its divisors is an integer number (130756545600).

Almost surely, 2^{2198934037688} is an apocalyptic number.

It is an amenable number.

2198934037688 is a deficient number, since it is larger than the sum of its proper divisors (1985275421512).

2198934037688 is a wasteful number, since it uses less digits than its factorization.

2198934037688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515291 (or 7515287 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 68.

The spelling of 2198934037688 in words is "two trillion, one hundred ninety-eight billion, nine hundred thirty-four million, thirty-seven thousand, six hundred eighty-eight".