189097156273 has 4 divisors (see below), whose sum is σ = 192302192880. Its totient is φ = 185892119668.

The previous prime is 189097156249. The next prime is 189097156279. The reversal of 189097156273 is 372651790981.

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 189097156273 - 2¹³ = 189097148081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189097156279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602518215 + ... + 1602518332.

It is an arithmetic number, because the mean of its divisors is an integer number (48075548220).

Almost surely, 2^189097156273 is an apocalyptic number.

It is an amenable number.

189097156273 is a deficient number, since it is larger than the sum of its proper divisors (3205036607).

189097156273 is an equidigital number, since it uses as much as digits as its factorization.

189097156273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205036606.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 189097156273 in words is "one hundred eighty-nine billion, ninety-seven million, one hundred fifty-six thousand, two hundred seventy-three".