14481901990 has 16 divisors (see below), whose sum is σ = 26105160240. Its totient is φ = 5784374880.

The previous prime is 14481901939. The next prime is 14481901991. The reversal of 14481901990 is 9910918441.

14481901990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 14481901990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14481901991) 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, 1040985 + ... + 1054804.

It is an arithmetic number, because the mean of its divisors is an integer number (1631572515).

Almost surely, 2^14481901990 is an apocalyptic number.

14481901990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14481901990 is a deficient number, since it is larger than the sum of its proper divisors (11623258250).

14481901990 is a wasteful number, since it uses less digits than its factorization.

14481901990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096487.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 14481901990 in words is "fourteen billion, four hundred eighty-one million, nine hundred one thousand, nine hundred ninety".