189200969994 has 24 divisors (see below), whose sum is σ = 387406660032. Its totient is φ = 61600312200.

The previous prime is 189200969987. The next prime is 189200969999. The reversal of 189200969994 is 499969002981.

It is not an unprimeable number, because it can be changed into a prime (189200969999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8516082 + ... + 8538269.

It is an arithmetic number, because the mean of its divisors is an integer number (16141944168).

Almost surely, 2^189200969994 is an apocalyptic number.

189200969994 is an abundant number, since it is smaller than the sum of its proper divisors (198205690038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189200969994 is a wasteful number, since it uses less digits than its factorization.

189200969994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054442 (or 17054399 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 66.

The spelling of 189200969994 in words is "one hundred eighty-nine billion, two hundred million, nine hundred sixty-nine thousand, nine hundred ninety-four".