189493400327 has 16 divisors (see below), whose sum is σ = 236298442752. Its totient is φ = 147627863520.

The previous prime is 189493400311. The next prime is 189493400333. The reversal of 189493400327 is 723004394981.

It is a cyclic number.

It is not a de Polignac number, because 189493400327 - 2⁴ = 189493400311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189493400827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149813 + ... + 633585.

It is an arithmetic number, because the mean of its divisors is an integer number (14768652672).

Almost surely, 2^189493400327 is an apocalyptic number.

189493400327 is a deficient number, since it is larger than the sum of its proper divisors (46805042425).

189493400327 is a wasteful number, since it uses less digits than its factorization.

189493400327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488878.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 189493400327 in words is "one hundred eighty-nine billion, four hundred ninety-three million, four hundred thousand, three hundred twenty-seven".