14942744513 has 4 divisors (see below), whose sum is σ = 14985075588. Its totient is φ = 14900413440.

The previous prime is 14942744471. The next prime is 14942744519. The reversal of 14942744513 is 31544724941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31544724941 = 83 ⋅380056927.

It can be written as a sum of positive squares in 2 ways, for example, as 4071971344 + 10870773169 = 63812^2 + 104263^2 .

It is a cyclic number.

It is not a de Polignac number, because 14942744513 - 2¹⁸ = 14942482369 is a prime.

It is a super-2 number, since 2×14942744513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14942744519) 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, 21165008 + ... + 21165713.

It is an arithmetic number, because the mean of its divisors is an integer number (3746268897).

Almost surely, 2^14942744513 is an apocalyptic number.

It is an amenable number.

14942744513 is a deficient number, since it is larger than the sum of its proper divisors (42331075).

14942744513 is an equidigital number, since it uses as much as digits as its factorization.

14942744513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42331074.

The product of its digits is 483840, while the sum is 44.

The spelling of 14942744513 in words is "fourteen billion, nine hundred forty-two million, seven hundred forty-four thousand, five hundred thirteen".