14640401663 has 2 divisors, whose sum is σ = 14640401664. Its totient is φ = 14640401662.

The previous prime is 14640401653. The next prime is 14640401707. The reversal of 14640401663 is 36610404641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14640401663 - 2⁸ = 14640401407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14640401603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320200831 + 7320200832.

It is an arithmetic number, because the mean of its divisors is an integer number (7320200832).

Almost surely, 2^14640401663 is an apocalyptic number.

14640401663 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640401663 is an equidigital number, since it uses as much as digits as its factorization.

14640401663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 14640401663 in words is "fourteen billion, six hundred forty million, four hundred one thousand, six hundred sixty-three".