189550249316 has 12 divisors (see below), whose sum is σ = 338770658688. Its totient is φ = 92758632552.

The previous prime is 189550249253. The next prime is 189550249327. The reversal of 189550249316 is 613942055981.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504122816 + ... + 504123191.

It is an arithmetic number, because the mean of its divisors is an integer number (28230888224).

Almost surely, 2^189550249316 is an apocalyptic number.

It is an amenable number.

189550249316 is a deficient number, since it is larger than the sum of its proper divisors (149220409372).

189550249316 is a wasteful number, since it uses less digits than its factorization.

189550249316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008246058 (or 1008246056 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 189550249316 in words is "one hundred eighty-nine billion, five hundred fifty million, two hundred forty-nine thousand, three hundred sixteen".