14001698881 has 4 divisors (see below), whose sum is σ = 14014235092. Its totient is φ = 13989162672.

The previous prime is 14001698863. The next prime is 14001698897. The reversal of 14001698881 is 18889610041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 551498256 + 13450200625 = 23484^2 + 115975^2 .

It is a cyclic number.

It is not a de Polignac number, because 14001698881 - 2²¹ = 13999601729 is a prime.

It is a super-2 number, since 2×14001698881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14001698281) 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 3 ways as a sum of consecutive naturals, for example, 6266430 + ... + 6268663.

It is an arithmetic number, because the mean of its divisors is an integer number (3503558773).

Almost surely, 2^14001698881 is an apocalyptic number.

It is an amenable number.

14001698881 is a deficient number, since it is larger than the sum of its proper divisors (12536211).

14001698881 is a wasteful number, since it uses less digits than its factorization.

14001698881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536210.

The product of its (nonzero) digits is 110592, while the sum is 46.

The spelling of 14001698881 in words is "fourteen billion, one million, six hundred ninety-eight thousand, eight hundred eighty-one".