185473730043 has 32 divisors (see below), whose sum is σ = 314454771200. Its totient is φ = 105841492128.

The previous prime is 185473730023. The next prime is 185473730053. The reversal of 185473730043 is 340037374581.

185473730043 is a `hidden beast` number, since 1 + 8 + 547 + 37 + 30 + 0 + 43 = 666.

It is not a de Polignac number, because 185473730043 - 2⁶ = 185473729979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (185473730023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524296 + ... + 803637.

It is an arithmetic number, because the mean of its divisors is an integer number (9826711600).

Almost surely, 2^185473730043 is an apocalyptic number.

185473730043 is a deficient number, since it is larger than the sum of its proper divisors (128981041157).

185473730043 is a wasteful number, since it uses less digits than its factorization.

185473730043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328688 (or 1328682 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 185473730043 in words is "one hundred eighty-five billion, four hundred seventy-three million, seven hundred thirty thousand, forty-three".