14987573989 has 2 divisors, whose sum is σ = 14987573990. Its totient is φ = 14987573988.

The previous prime is 14987573987. The next prime is 14987574031. The reversal of 14987573989 is 98937578941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14016192100 + 971381889 = 118390^2 + 31167^2 .

It is a cyclic number.

It is not a de Polignac number, because 14987573989 - 2¹ = 14987573987 is a prime.

Together with 14987573987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14987573987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7493786994 + 7493786995.

It is an arithmetic number, because the mean of its divisors is an integer number (7493786995).

Almost surely, 2^14987573989 is an apocalyptic number.

It is an amenable number.

14987573989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14987573989 is an equidigital number, since it uses as much as digits as its factorization.

14987573989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 70.

The spelling of 14987573989 in words is "fourteen billion, nine hundred eighty-seven million, five hundred seventy-three thousand, nine hundred eighty-nine".