2533894093993 has 2 divisors, whose sum is σ = 2533894093994. Its totient is φ = 2533894093992.

The previous prime is 2533894093979. The next prime is 2533894094027. The reversal of 2533894093993 is 3993904983352.

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., 2508764552464 + 25129541529 = 1583908^2 + 158523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2533894093993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2533894063993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266947046996 + 1266947046997.

It is an arithmetic number, because the mean of its divisors is an integer number (1266947046997).

Almost surely, 2^{2533894093993} is an apocalyptic number.

It is an amenable number.

2533894093993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533894093993 is an equidigital number, since it uses as much as digits as its factorization.

2533894093993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170061120, while the sum is 67.

The spelling of 2533894093993 in words is "two trillion, five hundred thirty-three billion, eight hundred ninety-four million, ninety-three thousand, nine hundred ninety-three".