14433509381 has 2 divisors, whose sum is σ = 14433509382. Its totient is φ = 14433509380.

The previous prime is 14433509341. The next prime is 14433509393. The reversal of 14433509381 is 18390533441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12685516900 + 1747992481 = 112630^2 + 41809^2 .

It is a cyclic number.

It is not a de Polignac number, because 14433509381 - 2¹⁰ = 14433508357 is a prime.

It is a super-2 number, since 2×14433509381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14433509341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7216754690 + 7216754691.

It is an arithmetic number, because the mean of its divisors is an integer number (7216754691).

Almost surely, 2^14433509381 is an apocalyptic number.

It is an amenable number.

14433509381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14433509381 is an equidigital number, since it uses as much as digits as its factorization.

14433509381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 14433509381 in words is "fourteen billion, four hundred thirty-three million, five hundred nine thousand, three hundred eighty-one".