198063953 has 4 divisors (see below), whose sum is σ = 199987008. Its totient is φ = 196140900.

The previous prime is 198063949. The next prime is 198063967. The reversal of 198063953 is 359360891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 198063953 - 2² = 198063949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198063973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961373 + ... + 961578.

It is an arithmetic number, because the mean of its divisors is an integer number (49996752).

Almost surely, 2^198063953 is an apocalyptic number.

It is an amenable number.

198063953 is a deficient number, since it is larger than the sum of its proper divisors (1923055).

198063953 is a wasteful number, since it uses less digits than its factorization.

198063953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923054.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 198063953 is about 14073.5195669029. The cubic root of 198063953 is about 582.9104138545.

The spelling of 198063953 in words is "one hundred ninety-eight million, sixty-three thousand, nine hundred fifty-three".