18849270229 has 16 divisors (see below), whose sum is σ = 19108362240. Its totient is φ = 18592357680.

The previous prime is 18849270199. The next prime is 18849270299. The reversal of 18849270229 is 92207294881.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18849270229 - 2¹⁹ = 18848745941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18849270299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22902712 + ... + 22903534.

It is an arithmetic number, because the mean of its divisors is an integer number (1194272640).

Almost surely, 2^18849270229 is an apocalyptic number.

It is an amenable number.

18849270229 is a deficient number, since it is larger than the sum of its proper divisors (259092011).

18849270229 is a wasteful number, since it uses less digits than its factorization.

18849270229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 18849270229 in words is "eighteen billion, eight hundred forty-nine million, two hundred seventy thousand, two hundred twenty-nine".