2053399232543 has 2 divisors, whose sum is σ = 2053399232544. Its totient is φ = 2053399232542.

The previous prime is 2053399232509. The next prime is 2053399232597. The reversal of 2053399232543 is 3452329933502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2053399232543 - 2¹⁰ = 2053399231519 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2053399232491 and 2053399232500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2053399235543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026699616271 + 1026699616272.

It is an arithmetic number, because the mean of its divisors is an integer number (1026699616272).

Almost surely, 2^{2053399232543} is an apocalyptic number.

2053399232543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053399232543 is an equidigital number, since it uses as much as digits as its factorization.

2053399232543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 50.

The spelling of 2053399232543 in words is "two trillion, fifty-three billion, three hundred ninety-nine million, two hundred thirty-two thousand, five hundred forty-three".