189030304329 has 8 divisors (see below), whose sum is σ = 252252744480. Its totient is φ = 125914033536.

The previous prime is 189030304321. The next prime is 189030304357. The reversal of 189030304329 is 923403030981.

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

It is not a de Polignac number, because 189030304329 - 2³ = 189030304321 is a prime.

It is a super-2 number, since 2×189030304329² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189030304321) 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, 26538184 + ... + 26545305.

It is an arithmetic number, because the mean of its divisors is an integer number (31531593060).

Almost surely, 2^189030304329 is an apocalyptic number.

It is an amenable number.

189030304329 is a deficient number, since it is larger than the sum of its proper divisors (63222440151).

189030304329 is a wasteful number, since it uses less digits than its factorization.

189030304329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53084679.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 189030304329 in words is "one hundred eighty-nine billion, thirty million, three hundred four thousand, three hundred twenty-nine".