14028468521 has 2 divisors, whose sum is σ = 14028468522. Its totient is φ = 14028468520.

The previous prime is 14028468437. The next prime is 14028468547. The reversal of 14028468521 is 12586482041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7970025625 + 6058442896 = 89275^2 + 77836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14028468521 is a prime.

It is not a weakly prime, because it can be changed into another prime (14028468121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7014234260 + 7014234261.

It is an arithmetic number, because the mean of its divisors is an integer number (7014234261).

Almost surely, 2^14028468521 is an apocalyptic number.

It is an amenable number.

14028468521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14028468521 is an equidigital number, since it uses as much as digits as its factorization.

14028468521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 14028468521 in words is "fourteen billion, twenty-eight million, four hundred sixty-eight thousand, five hundred twenty-one".