14728722013 has 2 divisors, whose sum is σ = 14728722014. Its totient is φ = 14728722012.

The previous prime is 14728722011. The next prime is 14728722059. The reversal of 14728722013 is 31022782741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10720945764 + 4007776249 = 103542^2 + 63307^2 .

It is a cyclic number.

It is not a de Polignac number, because 14728722013 - 2¹ = 14728722011 is a prime.

Together with 14728722011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14728722011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7364361006 + 7364361007.

It is an arithmetic number, because the mean of its divisors is an integer number (7364361007).

Almost surely, 2^14728722013 is an apocalyptic number.

It is an amenable number.

14728722013 is a deficient number, since it is larger than the sum of its proper divisors (1).

14728722013 is an equidigital number, since it uses as much as digits as its factorization.

14728722013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 14728722013 in words is "fourteen billion, seven hundred twenty-eight million, seven hundred twenty-two thousand, thirteen".