14650146521 has 2 divisors, whose sum is σ = 14650146522. Its totient is φ = 14650146520.

The previous prime is 14650146509. The next prime is 14650146523. The reversal of 14650146521 is 12564105641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10870356121 + 3779790400 = 104261^2 + 61480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14650146521 is a prime.

Together with 14650146523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14650146523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7325073260 + 7325073261.

It is an arithmetic number, because the mean of its divisors is an integer number (7325073261).

Almost surely, 2^14650146521 is an apocalyptic number.

It is an amenable number.

14650146521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14650146521 is an equidigital number, since it uses as much as digits as its factorization.

14650146521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 14650146521 in words is "fourteen billion, six hundred fifty million, one hundred forty-six thousand, five hundred twenty-one".