14728694890 has 96 divisors (see below), whose sum is σ = 34284225024. Its totient is φ = 4510961280.

The previous prime is 14728694867. The next prime is 14728694891. The reversal of 14728694890 is 9849682741.

It is a super-2 number, since 2×14728694890² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14728694891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160177 + ... + 234763.

It is an arithmetic number, because the mean of its divisors is an integer number (357127344).

Almost surely, 2^14728694890 is an apocalyptic number.

14728694890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14728694890 is an abundant number, since it is smaller than the sum of its proper divisors (19555530134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14728694890 is a wasteful number, since it uses less digits than its factorization.

14728694890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74652 (or 74645 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 14728694890 in words is "fourteen billion, seven hundred twenty-eight million, six hundred ninety-four thousand, eight hundred ninety".