14436670681 has 2 divisors, whose sum is σ = 14436670682. Its totient is φ = 14436670680.

The previous prime is 14436670663. The next prime is 14436670709. The reversal of 14436670681 is 18607663441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13516155081 + 920515600 = 116259^2 + 30340^2 .

It is an emirp because it is prime and its reverse (18607663441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14436670681 - 2¹⁵ = 14436637913 is a prime.

It is a super-2 number, since 2×14436670681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14436670601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7218335340 + 7218335341.

It is an arithmetic number, because the mean of its divisors is an integer number (7218335341).

Almost surely, 2^14436670681 is an apocalyptic number.

It is an amenable number.

14436670681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14436670681 is an equidigital number, since it uses as much as digits as its factorization.

14436670681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 14436670681 in words is "fourteen billion, four hundred thirty-six million, six hundred seventy thousand, six hundred eighty-one".