14637451989 has 16 divisors (see below), whose sum is σ = 19553085440. Its totient is φ = 9740081520.

The previous prime is 14637451981. The next prime is 14637452033. The reversal of 14637451989 is 98915473641.

It is a happy number.

It is not a de Polignac number, because 14637451989 - 2³ = 14637451981 is a prime.

It is a super-2 number, since 2×14637451989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14637451981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5503542 + ... + 5506200.

It is an arithmetic number, because the mean of its divisors is an integer number (1222067840).

Almost surely, 2^14637451989 is an apocalyptic number.

It is an amenable number.

14637451989 is a deficient number, since it is larger than the sum of its proper divisors (4915633451).

14637451989 is a wasteful number, since it uses less digits than its factorization.

14637451989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400.

The product of its digits is 6531840, while the sum is 57.

The spelling of 14637451989 in words is "fourteen billion, six hundred thirty-seven million, four hundred fifty-one thousand, nine hundred eighty-nine".