199563973630 has 16 divisors (see below), whose sum is σ = 410531603040. Its totient is φ = 68421933792.

The previous prime is 199563973619. The next prime is 199563973639. The reversal of 199563973630 is 36379365991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199563973639) 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, 1425456885 + ... + 1425457024.

It is an arithmetic number, because the mean of its divisors is an integer number (25658225190).

Almost surely, 2^199563973630 is an apocalyptic number.

199563973630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199563973630 is an abundant number, since it is smaller than the sum of its proper divisors (210967629410).

199563973630 is a wasteful number, since it uses less digits than its factorization.

199563973630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850913923.

The product of its (nonzero) digits is 24800580, while the sum is 61.

The spelling of 199563973630 in words is "one hundred ninety-nine billion, five hundred sixty-three million, nine hundred seventy-three thousand, six hundred thirty".