7439854933253 has 2 divisors, whose sum is σ = 7439854933254. Its totient is φ = 7439854933252.

The previous prime is 7439854933243. The next prime is 7439854933297. The reversal of 7439854933253 is 3523394589347.

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., 4836559811524 + 2603295121729 = 2199218^2 + 1613473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7439854933253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7439854933253.

It is a congruent number.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719927466626 + 3719927466627.

It is an arithmetic number, because the mean of its divisors is an integer number (3719927466627).

Almost surely, 2^{7439854933253} is an apocalyptic number.

It is an amenable number.

7439854933253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7439854933253 is an equidigital number, since it uses as much as digits as its factorization.

7439854933253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 293932800, while the sum is 65.

The spelling of 7439854933253 in words is "seven trillion, four hundred thirty-nine billion, eight hundred fifty-four million, nine hundred thirty-three thousand, two hundred fifty-three".