18050000029 has 2 divisors, whose sum is σ = 18050000030. Its totient is φ = 18050000028.

The previous prime is 18049999999. The next prime is 18050000041. The reversal of 18050000029 is 92000005081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14713204804 + 3336795225 = 121298^2 + 57765^2 .

It is a cyclic number.

It is not a de Polignac number, because 18050000029 - 2³¹ = 15902516381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18049999958 and 18050000012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18050000729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9025000014 + 9025000015.

It is an arithmetic number, because the mean of its divisors is an integer number (9025000015).

Almost surely, 2^18050000029 is an apocalyptic number.

It is an amenable number.

18050000029 is a deficient number, since it is larger than the sum of its proper divisors (1).

18050000029 is an equidigital number, since it uses as much as digits as its factorization.

18050000029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 18050000029 in words is "eighteen billion, fifty million, twenty-nine", and thus it is an aban number and an uban number.