14680538261 has 2 divisors, whose sum is σ = 14680538262. Its totient is φ = 14680538260.

The previous prime is 14680538227. The next prime is 14680538263. The reversal of 14680538261 is 16283508641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12517358161 + 2163180100 = 111881^2 + 46510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14680538261 is a prime.

Together with 14680538263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14680538263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7340269130 + 7340269131.

It is an arithmetic number, because the mean of its divisors is an integer number (7340269131).

Almost surely, 2^14680538261 is an apocalyptic number.

It is an amenable number.

14680538261 is a deficient number, since it is larger than the sum of its proper divisors (1).

14680538261 is an equidigital number, since it uses as much as digits as its factorization.

14680538261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 14680538261 in words is "fourteen billion, six hundred eighty million, five hundred thirty-eight thousand, two hundred sixty-one".