14626643653 has 2 divisors, whose sum is σ = 14626643654. Its totient is φ = 14626643652.

The previous prime is 14626643639. The next prime is 14626643657. The reversal of 14626643653 is 35634662641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13666077604 + 960566049 = 116902^2 + 30993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14626643653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14626643657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7313321826 + 7313321827.

It is an arithmetic number, because the mean of its divisors is an integer number (7313321827).

Almost surely, 2^14626643653 is an apocalyptic number.

It is an amenable number.

14626643653 is a deficient number, since it is larger than the sum of its proper divisors (1).

14626643653 is an equidigital number, since it uses as much as digits as its factorization.

14626643653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 46.

The spelling of 14626643653 in words is "fourteen billion, six hundred twenty-six million, six hundred forty-three thousand, six hundred fifty-three".