14981768893 has 8 divisors (see below), whose sum is σ = 18439100288. Its totient is φ = 11853707184.

The previous prime is 14981768887. The next prime is 14981768951. The reversal of 14981768893 is 39886718941.

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 14981768893 - 2¹³ = 14981760701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14981768873) 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, 82317321 + ... + 82317502.

It is an arithmetic number, because the mean of its divisors is an integer number (2304887536).

Almost surely, 2^14981768893 is an apocalyptic number.

14981768893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14981768893 is a deficient number, since it is larger than the sum of its proper divisors (3457331395).

14981768893 is a wasteful number, since it uses less digits than its factorization.

14981768893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164634843.

The product of its digits is 20901888, while the sum is 64.

The spelling of 14981768893 in words is "fourteen billion, nine hundred eighty-one million, seven hundred sixty-eight thousand, eight hundred ninety-three".