18073075829 has 2 divisors, whose sum is σ = 18073075830. Its totient is φ = 18073075828.

The previous prime is 18073075799. The next prime is 18073075849. The reversal of 18073075829 is 92857037081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10282365604 + 7790710225 = 101402^2 + 88265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18073075829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18073075849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9036537914 + 9036537915.

It is an arithmetic number, because the mean of its divisors is an integer number (9036537915).

Almost surely, 2^18073075829 is an apocalyptic number.

It is an amenable number.

18073075829 is a deficient number, since it is larger than the sum of its proper divisors (1).

18073075829 is an equidigital number, since it uses as much as digits as its factorization.

18073075829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 18073075829 in words is "eighteen billion, seventy-three million, seventy-five thousand, eight hundred twenty-nine".