184540674893 has 2 divisors, whose sum is σ = 184540674894. Its totient is φ = 184540674892.

The previous prime is 184540674809. The next prime is 184540674917. The reversal of 184540674893 is 398476045481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177137449129 + 7403225764 = 420877^2 + 86042^2 .

It is a cyclic number.

It is not a de Polignac number, because 184540674893 - 2²⁰ = 184539626317 is a prime.

It is a super-2 number, since 2×184540674893² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (184540674803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92270337446 + 92270337447.

It is an arithmetic number, because the mean of its divisors is an integer number (92270337447).

Almost surely, 2^184540674893 is an apocalyptic number.

It is an amenable number.

184540674893 is a deficient number, since it is larger than the sum of its proper divisors (1).

184540674893 is an equidigital number, since it uses as much as digits as its factorization.

184540674893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 184540674893 in words is "one hundred eighty-four billion, five hundred forty million, six hundred seventy-four thousand, eight hundred ninety-three".