14040467821 has 2 divisors, whose sum is σ = 14040467822. Its totient is φ = 14040467820.

The previous prime is 14040467813. The next prime is 14040467843. The reversal of 14040467821 is 12876404041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13879431721 + 161036100 = 117811^2 + 12690^2 .

It is a cyclic number.

It is not a de Polignac number, because 14040467821 - 2³ = 14040467813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14040467851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7020233910 + 7020233911.

It is an arithmetic number, because the mean of its divisors is an integer number (7020233911).

Almost surely, 2^14040467821 is an apocalyptic number.

It is an amenable number.

14040467821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14040467821 is an equidigital number, since it uses as much as digits as its factorization.

14040467821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 14040467821 in words is "fourteen billion, forty million, four hundred sixty-seven thousand, eight hundred twenty-one".