80189523730 has 32 divisors (see below), whose sum is σ = 151522721280. Its totient is φ = 30514978560.

The previous prime is 80189523703. The next prime is 80189523749. The reversal of 80189523730 is 3732598108.

It is a super-2 number, since 2×80189523730² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2173879 + ... + 2210458.

It is an arithmetic number, because the mean of its divisors is an integer number (4735085040).

Almost surely, 2^80189523730 is an apocalyptic number.

80189523730 is a deficient number, since it is larger than the sum of its proper divisors (71333197550).

80189523730 is a wasteful number, since it uses less digits than its factorization.

80189523730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384434.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 80189523730 in words is "eighty billion, one hundred eighty-nine million, five hundred twenty-three thousand, seven hundred thirty".