14728622317 has 4 divisors (see below), whose sum is σ = 14822435356. Its totient is φ = 14634809280.

The previous prime is 14728622291. The next prime is 14728622329. The reversal of 14728622317 is 71322682741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6111956041 + 8616666276 = 78179^2 + 92826^2 .

It is a cyclic number.

It is not a de Polignac number, because 14728622317 - 2⁷ = 14728622189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14728623317) 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, 46906284 + ... + 46906597.

It is an arithmetic number, because the mean of its divisors is an integer number (3705608839).

Almost surely, 2^14728622317 is an apocalyptic number.

It is an amenable number.

14728622317 is a deficient number, since it is larger than the sum of its proper divisors (93813039).

14728622317 is an equidigital number, since it uses as much as digits as its factorization.

14728622317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93813038.

The product of its digits is 225792, while the sum is 43.

The spelling of 14728622317 in words is "fourteen billion, seven hundred twenty-eight million, six hundred twenty-two thousand, three hundred seventeen".