189498698137 has 8 divisors (see below), whose sum is σ = 216837648000. Its totient is φ = 162226675104.

The previous prime is 189498698111. The next prime is 189498698141. The reversal of 189498698137 is 731896894981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189498698137 - 2⁷ = 189498698009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189498698137.

It is not an unprimeable number, because it can be changed into a prime (189498648137) 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, 16725637 + ... + 16736962.

It is an arithmetic number, because the mean of its divisors is an integer number (27104706000).

Almost surely, 2^189498698137 is an apocalyptic number.

It is an amenable number.

189498698137 is a deficient number, since it is larger than the sum of its proper divisors (27338949863).

189498698137 is an equidigital number, since it uses as much as digits as its factorization.

189498698137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33463415.

The product of its digits is 188116992, while the sum is 73.

The spelling of 189498698137 in words is "one hundred eighty-nine billion, four hundred ninety-eight million, six hundred ninety-eight thousand, one hundred thirty-seven".