14746680721 has 2 divisors, whose sum is σ = 14746680722. Its totient is φ = 14746680720.

The previous prime is 14746680673. The next prime is 14746680731. The reversal of 14746680721 is 12708664741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13714986321 + 1031694400 = 117111^2 + 32120^2 .

It is an emirp because it is prime and its reverse (12708664741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14746680721 - 2²¹ = 14744583569 is a prime.

It is a super-2 number, since 2×14746680721² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14746680731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7373340360 + 7373340361.

It is an arithmetic number, because the mean of its divisors is an integer number (7373340361).

Almost surely, 2^14746680721 is an apocalyptic number.

It is an amenable number.

14746680721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14746680721 is an equidigital number, since it uses as much as digits as its factorization.

14746680721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 14746680721 in words is "fourteen billion, seven hundred forty-six million, six hundred eighty thousand, seven hundred twenty-one".