14855805457 has 2 divisors, whose sum is σ = 14855805458. Its totient is φ = 14855805456.

The previous prime is 14855805431. The next prime is 14855805527. The reversal of 14855805457 is 75450855841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8829233296 + 6026572161 = 93964^2 + 77631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14855805457 is a prime.

It is not a weakly prime, because it can be changed into another prime (14855805427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7427902728 + 7427902729.

It is an arithmetic number, because the mean of its divisors is an integer number (7427902729).

Almost surely, 2^14855805457 is an apocalyptic number.

It is an amenable number.

14855805457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14855805457 is an equidigital number, since it uses as much as digits as its factorization.

14855805457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480000, while the sum is 52.

The spelling of 14855805457 in words is "fourteen billion, eight hundred fifty-five million, eight hundred five thousand, four hundred fifty-seven".