18299258349 has 8 divisors (see below), whose sum is σ = 24477465792. Its totient is φ = 12160278240.

The previous prime is 18299258347. The next prime is 18299258357. The reversal of 18299258349 is 94385299281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18299258349 - 2¹ = 18299258347 is a prime.

It is a super-2 number, since 2×18299258349² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18299258292 and 18299258301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18299258347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9805744 + ... + 9807609.

It is an arithmetic number, because the mean of its divisors is an integer number (3059683224).

Almost surely, 2^18299258349 is an apocalyptic number.

It is an amenable number.

18299258349 is a deficient number, since it is larger than the sum of its proper divisors (6178207443).

18299258349 is a wasteful number, since it uses less digits than its factorization.

18299258349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19613667.

The product of its digits is 11197440, while the sum is 60.

The spelling of 18299258349 in words is "eighteen billion, two hundred ninety-nine million, two hundred fifty-eight thousand, three hundred forty-nine".