14027531781 has 32 divisors (see below), whose sum is σ = 19374888960. Its totient is φ = 9022141184.

The previous prime is 14027531743. The next prime is 14027531789. The reversal of 14027531781 is 18713572041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 14027531781 - 2⁷ = 14027531653 is a prime.

It is a super-2 number, since 2×14027531781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14027531789) 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 31 ways as a sum of consecutive naturals, for example, 6587725 + ... + 6589853.

It is an arithmetic number, because the mean of its divisors is an integer number (605465280).

Almost surely, 2^14027531781 is an apocalyptic number.

It is an amenable number.

14027531781 is a deficient number, since it is larger than the sum of its proper divisors (5347357179).

14027531781 is a wasteful number, since it uses less digits than its factorization.

14027531781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 14027531781 in words is "fourteen billion, twenty-seven million, five hundred thirty-one thousand, seven hundred eighty-one".