189694497602 has 16 divisors (see below), whose sum is σ = 294837345792. Its totient is φ = 91438649760.

The previous prime is 189694497529. The next prime is 189694497631. The reversal of 189694497602 is 206794496981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800403 + ... + 5833014.

It is an arithmetic number, because the mean of its divisors is an integer number (18427334112).

Almost surely, 2^189694497602 is an apocalyptic number.

189694497602 is a deficient number, since it is larger than the sum of its proper divisors (105142848190).

189694497602 is a wasteful number, since it uses less digits than its factorization.

189694497602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11633713.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 189694497602 in words is "one hundred eighty-nine billion, six hundred ninety-four million, four hundred ninety-seven thousand, six hundred two".