14535988613 has 4 divisors (see below), whose sum is σ = 14536494348. Its totient is φ = 14535482880.

The previous prime is 14535988583. The next prime is 14535988673. The reversal of 14535988613 is 31688953541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31688953541 = 7 ⋅4526993363.

It can be written as a sum of positive squares in 2 ways, for example, as 7255291684 + 7280696929 = 85178^2 + 85327^2 .

It is a cyclic number.

It is not a de Polignac number, because 14535988613 - 2¹⁴ = 14535972229 is a prime.

It is a super-2 number, since 2×14535988613² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14535988673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206978 + ... + 268163.

It is an arithmetic number, because the mean of its divisors is an integer number (3634123587).

Almost surely, 2^14535988613 is an apocalyptic number.

It is an amenable number.

14535988613 is a deficient number, since it is larger than the sum of its proper divisors (505735).

14535988613 is an equidigital number, since it uses as much as digits as its factorization.

14535988613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505734.

The product of its digits is 3110400, while the sum is 53.

The spelling of 14535988613 in words is "fourteen billion, five hundred thirty-five million, nine hundred eighty-eight thousand, six hundred thirteen".