189675513897 has 4 divisors (see below), whose sum is σ = 252900685200. Its totient is φ = 126450342596.

The previous prime is 189675513851. The next prime is 189675513899. The reversal of 189675513897 is 798315576981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 189675513897 - 2¹² = 189675509801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189675513899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31612585647 + ... + 31612585652.

It is an arithmetic number, because the mean of its divisors is an integer number (63225171300).

Almost surely, 2^189675513897 is an apocalyptic number.

It is an amenable number.

189675513897 is a deficient number, since it is larger than the sum of its proper divisors (63225171303).

189675513897 is an equidigital number, since it uses as much as digits as its factorization.

189675513897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63225171302.

The product of its digits is 114307200, while the sum is 69.

The spelling of 189675513897 in words is "one hundred eighty-nine billion, six hundred seventy-five million, five hundred thirteen thousand, eight hundred ninety-seven".