2193478259198 has 32 divisors (see below), whose sum is σ = 3527005827744. Its totient is φ = 1019420347392.

The previous prime is 2193478259183. The next prime is 2193478259233. The reversal of 2193478259198 is 8919528743912.

It is a super-2 number, since 2×2193478259198² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7754186 + ... + 8032082.

It is an arithmetic number, because the mean of its divisors is an integer number (110218932117).

Almost surely, 2^{2193478259198} is an apocalyptic number.

2193478259198 is a deficient number, since it is larger than the sum of its proper divisors (1333527568546).

2193478259198 is a wasteful number, since it uses less digits than its factorization.

2193478259198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280796.

The product of its digits is 78382080, while the sum is 68.

The spelling of 2193478259198 in words is "two trillion, one hundred ninety-three billion, four hundred seventy-eight million, two hundred fifty-nine thousand, one hundred ninety-eight".