18453956529 has 8 divisors (see below), whose sum is σ = 24972518560. Its totient is φ = 12119016096.

The previous prime is 18453956449. The next prime is 18453956533. The reversal of 18453956529 is 92565935481.

It is a happy number.

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

It is not a de Polignac number, because 18453956529 - 2¹⁶ = 18453890993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18453956579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45905164 + ... + 45905565.

It is an arithmetic number, because the mean of its divisors is an integer number (3121564820).

Almost surely, 2^18453956529 is an apocalyptic number.

It is an amenable number.

18453956529 is a deficient number, since it is larger than the sum of its proper divisors (6518562031).

18453956529 is an equidigital number, since it uses as much as digits as its factorization.

18453956529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91810799.

The product of its digits is 11664000, while the sum is 57.

The spelling of 18453956529 in words is "eighteen billion, four hundred fifty-three million, nine hundred fifty-six thousand, five hundred twenty-nine".