14987534909 has 2 divisors, whose sum is σ = 14987534910. Its totient is φ = 14987534908.

The previous prime is 14987534897. The next prime is 14987534923. The reversal of 14987534909 is 90943578941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12183302884 + 2804232025 = 110378^2 + 52955^2 .

It is an emirp because it is prime and its reverse (90943578941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14987534909 - 2¹² = 14987530813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14987534929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7493767454 + 7493767455.

It is an arithmetic number, because the mean of its divisors is an integer number (7493767455).

Almost surely, 2^14987534909 is an apocalyptic number.

It is an amenable number.

14987534909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14987534909 is an equidigital number, since it uses as much as digits as its factorization.

14987534909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 14987534909 in words is "fourteen billion, nine hundred eighty-seven million, five hundred thirty-four thousand, nine hundred nine".