198457011293 has 16 divisors (see below), whose sum is σ = 209276275200. Its totient is φ = 187934947200.

The previous prime is 198457011289. The next prime is 198457011299. The reversal of 198457011293 is 392110754891.

It is a cyclic number.

It is not a de Polignac number, because 198457011293 - 2² = 198457011289 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 (198457011299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59105 + ... + 632777.

It is an arithmetic number, because the mean of its divisors is an integer number (13079767200).

Almost surely, 2^198457011293 is an apocalyptic number.

It is an amenable number.

198457011293 is a deficient number, since it is larger than the sum of its proper divisors (10819263907).

198457011293 is a wasteful number, since it uses less digits than its factorization.

198457011293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573932.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 198457011293 in words is "one hundred ninety-eight billion, four hundred fifty-seven million, eleven thousand, two hundred ninety-three".