14768723681 has 2 divisors, whose sum is σ = 14768723682. Its totient is φ = 14768723680.

The previous prime is 14768723663. The next prime is 14768723689. The reversal of 14768723681 is 18632786741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13465513681 + 1303210000 = 116041^2 + 36100^2 .

It is an emirp because it is prime and its reverse (18632786741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14768723681 - 2¹⁴ = 14768707297 is a prime.

It is a super-2 number, since 2×14768723681² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14768723689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7384361840 + 7384361841.

It is an arithmetic number, because the mean of its divisors is an integer number (7384361841).

Almost surely, 2^14768723681 is an apocalyptic number.

It is an amenable number.

14768723681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14768723681 is an equidigital number, since it uses as much as digits as its factorization.

14768723681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The spelling of 14768723681 in words is "fourteen billion, seven hundred sixty-eight million, seven hundred twenty-three thousand, six hundred eighty-one".