14987530813 has 2 divisors, whose sum is σ = 14987530814. Its totient is φ = 14987530812.

The previous prime is 14987530801. The next prime is 14987530823. The reversal of 14987530813 is 31803578941.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14830855524 + 156675289 = 121782^2 + 12517^2 .

It is a cyclic number.

It is not a de Polignac number, because 14987530813 - 2⁵ = 14987530781 is a prime.

It is a super-3 number, since 3×14987530813³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14987530823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7493765406 + 7493765407.

It is an arithmetic number, because the mean of its divisors is an integer number (7493765407).

Almost surely, 2^14987530813 is an apocalyptic number.

It is an amenable number.

14987530813 is a deficient number, since it is larger than the sum of its proper divisors (1).

14987530813 is an equidigital number, since it uses as much as digits as its factorization.

14987530813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 14987530813 in words is "fourteen billion, nine hundred eighty-seven million, five hundred thirty thousand, eight hundred thirteen".