52263949391 has 2 divisors, whose sum is σ = 52263949392. Its totient is φ = 52263949390.

The previous prime is 52263949343. The next prime is 52263949411. The reversal of 52263949391 is 19394936225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52263949391 - 2¹⁸ = 52263687247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52263949301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26131974695 + 26131974696.

It is an arithmetic number, because the mean of its divisors is an integer number (26131974696).

Almost surely, 2^52263949391 is an apocalyptic number.

52263949391 is a deficient number, since it is larger than the sum of its proper divisors (1).

52263949391 is an equidigital number, since it uses as much as digits as its factorization.

52263949391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 53.

The spelling of 52263949391 in words is "fifty-two billion, two hundred sixty-three million, nine hundred forty-nine thousand, three hundred ninety-one".