14988369509 has 4 divisors (see below), whose sum is σ = 15097773804. Its totient is φ = 14878965216.

The previous prime is 14988369503. The next prime is 14988369511. The reversal of 14988369509 is 90596388941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4837202500 + 10151167009 = 69550^2 + 100753^2 .

It is a cyclic number.

It is not a de Polignac number, because 14988369509 - 2¹⁶ = 14988303973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14988369503) 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 3 ways as a sum of consecutive naturals, for example, 54701942 + ... + 54702215.

It is an arithmetic number, because the mean of its divisors is an integer number (3774443451).

Almost surely, 2^14988369509 is an apocalyptic number.

It is an amenable number.

14988369509 is a deficient number, since it is larger than the sum of its proper divisors (109404295).

14988369509 is a wasteful number, since it uses less digits than its factorization.

14988369509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109404294.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 14988369509 in words is "fourteen billion, nine hundred eighty-eight million, three hundred sixty-nine thousand, five hundred nine".