14891945620 has 24 divisors (see below), whose sum is σ = 31435130664. Its totient is φ = 5925912576.

The previous prime is 14891945611. The next prime is 14891945641. The reversal of 14891945620 is 2654919841.

14891945620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18679684 + 14873265936 = 4322^2 + 121956^2 .

It is a congruent number.

It is an unprimeable number.

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, 1925149 + ... + 1932868.

It is an arithmetic number, because the mean of its divisors is an integer number (1309797111).

Almost surely, 2^14891945620 is an apocalyptic number.

14891945620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14891945620 is an abundant number, since it is smaller than the sum of its proper divisors (16543185044).

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

14891945620 is a wasteful number, since it uses less digits than its factorization.

14891945620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858219 (or 3858217 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 14891945620 in words is "fourteen billion, eight hundred ninety-one million, nine hundred forty-five thousand, six hundred twenty".