14912533709 has 4 divisors (see below), whose sum is σ = 14994923580. Its totient is φ = 14830143840.

The previous prime is 14912533679. The next prime is 14912533789. The reversal of 14912533709 is 90733521941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90733521941 = 118249 ⋅767309.

It can be written as a sum of positive squares in 2 ways, for example, as 411075625 + 14501458084 = 20275^2 + 120422^2 .

It is a cyclic number.

It is not a de Polignac number, because 14912533709 - 2⁸ = 14912533453 is a prime.

It is a super-2 number, since 2×14912533709² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14912533709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14912533789) 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, 41194664 + ... + 41195025.

It is an arithmetic number, because the mean of its divisors is an integer number (3748730895).

Almost surely, 2^14912533709 is an apocalyptic number.

It is an amenable number.

14912533709 is a deficient number, since it is larger than the sum of its proper divisors (82389871).

14912533709 is an equidigital number, since it uses as much as digits as its factorization.

14912533709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82389870.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 14912533709 in words is "fourteen billion, nine hundred twelve million, five hundred thirty-three thousand, seven hundred nine".