14523804857 has 2 divisors, whose sum is σ = 14523804858. Its totient is φ = 14523804856.

The previous prime is 14523804851. The next prime is 14523804881. The reversal of 14523804857 is 75840832541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9239823376 + 5283981481 = 96124^2 + 72691^2 .

It is a cyclic number.

It is not a de Polignac number, because 14523804857 - 2²⁶ = 14456695993 is a prime.

It is not a weakly prime, because it can be changed into another prime (14523804851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7261902428 + 7261902429.

It is an arithmetic number, because the mean of its divisors is an integer number (7261902429).

Almost surely, 2^14523804857 is an apocalyptic number.

It is an amenable number.

14523804857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14523804857 is an equidigital number, since it uses as much as digits as its factorization.

14523804857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 14523804857 in words is "fourteen billion, five hundred twenty-three million, eight hundred four thousand, eight hundred fifty-seven".