189732249267 has 64 divisors (see below), whose sum is σ = 289934401536. Its totient is φ = 109243157760.

The previous prime is 189732249209. The next prime is 189732249281. The reversal of 189732249267 is 762942237981.

It is not a de Polignac number, because 189732249267 - 2⁷ = 189732249139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189732249267.

It is not an unprimeable number, because it can be changed into a prime (189732249067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86123388 + ... + 86125590.

It is an arithmetic number, because the mean of its divisors is an integer number (4530225024).

Almost surely, 2^189732249267 is an apocalyptic number.

189732249267 is a deficient number, since it is larger than the sum of its proper divisors (100202152269).

189732249267 is a wasteful number, since it uses less digits than its factorization.

189732249267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960.

The product of its digits is 18289152, while the sum is 60.

The spelling of 189732249267 in words is "one hundred eighty-nine billion, seven hundred thirty-two million, two hundred forty-nine thousand, two hundred sixty-seven".