18863448037 has 8 divisors (see below), whose sum is σ = 21560818176. Its totient is φ = 16166725872.

The previous prime is 18863448011. The next prime is 18863448053. The reversal of 18863448037 is 73084436881.

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

It is a cyclic number.

It is not a de Polignac number, because 18863448037 - 2¹¹ = 18863445989 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 (18863448337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97918 + ... + 217519.

It is an arithmetic number, because the mean of its divisors is an integer number (2695102272).

Almost surely, 2^18863448037 is an apocalyptic number.

It is an amenable number.

18863448037 is a deficient number, since it is larger than the sum of its proper divisors (2697370139).

18863448037 is an equidigital number, since it uses as much as digits as its factorization.

18863448037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323987.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 18863448037 in words is "eighteen billion, eight hundred sixty-three million, four hundred forty-eight thousand, thirty-seven".