14048137681 has 2 divisors, whose sum is σ = 14048137682. Its totient is φ = 14048137680.

The previous prime is 14048137657. The next prime is 14048137729. The reversal of 14048137681 is 18673184041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13205687056 + 842450625 = 114916^2 + 29025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14048137681 is a prime.

It is a super-2 number, since 2×14048137681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14048137601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7024068840 + 7024068841.

It is an arithmetic number, because the mean of its divisors is an integer number (7024068841).

Almost surely, 2^14048137681 is an apocalyptic number.

It is an amenable number.

14048137681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14048137681 is an equidigital number, since it uses as much as digits as its factorization.

14048137681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 14048137681 in words is "fourteen billion, forty-eight million, one hundred thirty-seven thousand, six hundred eighty-one".