7439854933243 has 2 divisors, whose sum is σ = 7439854933244. Its totient is φ = 7439854933242.

The previous prime is 7439854933223. The next prime is 7439854933253. The reversal of 7439854933243 is 3423394589347.

It is a strong prime.

It is an emirp because it is prime and its reverse (3423394589347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7439854933243 - 2²⁵ = 7439821378811 is a prime.

It is not a weakly prime, because it can be changed into another prime (7439854933223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719927466621 + 3719927466622.

It is an arithmetic number, because the mean of its divisors is an integer number (3719927466622).

Almost surely, 2^{7439854933243} is an apocalyptic number.

7439854933243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7439854933243 is an equidigital number, since it uses as much as digits as its factorization.

7439854933243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 64.

The spelling of 7439854933243 in words is "seven trillion, four hundred thirty-nine billion, eight hundred fifty-four million, nine hundred thirty-three thousand, two hundred forty-three".