14010531985 has 4 divisors (see below), whose sum is σ = 16812638388. Its totient is φ = 11208425584.

The previous prime is 14010531971. The next prime is 14010531989. The reversal of 14010531985 is 58913501041.

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 10652097681 + 3358434304 = 103209^2 + 57952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14010531985 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14010531989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401053194 + ... + 1401053203.

It is an arithmetic number, because the mean of its divisors is an integer number (4203159597).

Almost surely, 2^14010531985 is an apocalyptic number.

It is an amenable number.

14010531985 is a deficient number, since it is larger than the sum of its proper divisors (2802106403).

14010531985 is an equidigital number, since it uses as much as digits as its factorization.

14010531985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802106402.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 14010531985 in words is "fourteen billion, ten million, five hundred thirty-one thousand, nine hundred eighty-five".