189595451459268 has 18 divisors (see below), whose sum is σ = 479255168966574. Its totient is φ = 63198483819744.

The previous prime is 189595451459261. The next prime is 189595451459273. The reversal of 189595451459268 is 862954154595981.

189595451459268 is a `hidden beast` number, since 1 + 8 + 9 + 5 + 9 + 5 + 4 + 5 + 14 + 592 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109547036126784 + 80048415332484 = 10466472^2 + 8946978^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (189595451459261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2633270159121 + ... + 2633270159192.

Almost surely, 2^{189595451459268} is an apocalyptic number.

189595451459268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189595451459268 is an abundant number, since it is smaller than the sum of its proper divisors (289659717507306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189595451459268 is a wasteful number, since it uses less digits than its factorization.

189595451459268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266540318323 (or 5266540318318 counting only the distinct ones).

The product of its digits is 5598720000, while the sum is 81.

The spelling of 189595451459268 in words is "one hundred eighty-nine trillion, five hundred ninety-five billion, four hundred fifty-one million, four hundred fifty-nine thousand, two hundred sixty-eight".