14635207681 has 16 divisors (see below), whose sum is σ = 15265169920. Its totient is φ = 14020594560.

The previous prime is 14635207619. The next prime is 14635207693. The reversal of 14635207681 is 18670253641.

It is a cyclic number.

It is not a de Polignac number, because 14635207681 - 2⁷ = 14635207553 is a prime.

It is a super-2 number, since 2×14635207681² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14635207381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555280 + ... + 581038.

It is an arithmetic number, because the mean of its divisors is an integer number (954073120).

Almost surely, 2^14635207681 is an apocalyptic number.

It is an amenable number.

14635207681 is a deficient number, since it is larger than the sum of its proper divisors (629962239).

14635207681 is a wasteful number, since it uses less digits than its factorization.

14635207681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 14635207681 in words is "fourteen billion, six hundred thirty-five million, two hundred seven thousand, six hundred eighty-one".