18150048893 has 2 divisors, whose sum is σ = 18150048894. Its totient is φ = 18150048892.

The previous prime is 18150048887. The next prime is 18150048947. The reversal of 18150048893 is 39884005181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11578190404 + 6571858489 = 107602^2 + 81067^2 .

It is a cyclic number.

It is not a de Polignac number, because 18150048893 - 2⁴ = 18150048877 is a prime.

It is a super-3 number, since 3×18150048893³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18150048823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9075024446 + 9075024447.

It is an arithmetic number, because the mean of its divisors is an integer number (9075024447).

Almost surely, 2^18150048893 is an apocalyptic number.

It is an amenable number.

18150048893 is a deficient number, since it is larger than the sum of its proper divisors (1).

18150048893 is an equidigital number, since it uses as much as digits as its factorization.

18150048893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 18150048893 in words is "eighteen billion, one hundred fifty million, forty-eight thousand, eight hundred ninety-three".