18245950814 has 36 divisors (see below), whose sum is σ = 33882114744. Its totient is φ = 7215579072.

The previous prime is 18245950813. The next prime is 18245950817. The reversal of 18245950814 is 41805954281.

It is a super-2 number, since 2×18245950814² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18245950813) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6568994 + ... + 6571770.

It is an arithmetic number, because the mean of its divisors is an integer number (941169854).

Almost surely, 2^18245950814 is an apocalyptic number.

18245950814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18245950814 is a deficient number, since it is larger than the sum of its proper divisors (15636163930).

18245950814 is an frugal number, since it uses more digits than its factorization.

18245950814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 18245950814 in words is "eighteen billion, two hundred forty-five million, nine hundred fifty thousand, eight hundred fourteen".