200493571898 has 4 divisors (see below), whose sum is σ = 300740357850. Its totient is φ = 100246785948.

The previous prime is 200493571897. The next prime is 200493571903. The reversal of 200493571898 is 898175394002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140822319169 + 59671252729 = 375263^2 + 244277^2 .

It is not an unprimeable number, because it can be changed into a prime (200493571897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50123392973 + ... + 50123392976.

Almost surely, 2^200493571898 is an apocalyptic number.

200493571898 is a deficient number, since it is larger than the sum of its proper divisors (100246785952).

200493571898 is a wasteful number, since it uses less digits than its factorization.

200493571898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100246785951.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 200493571898 in words is "two hundred billion, four hundred ninety-three million, five hundred seventy-one thousand, eight hundred ninety-eight".