52019620291 has 2 divisors, whose sum is σ = 52019620292. Its totient is φ = 52019620290.

The previous prime is 52019620249. The next prime is 52019620337. The reversal of 52019620291 is 19202691025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52019620291 - 2¹⁷ = 52019489219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52019620291.

It is not a weakly prime, because it can be changed into another prime (52019620241) 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, 26009810145 + 26009810146.

It is an arithmetic number, because the mean of its divisors is an integer number (26009810146).

Almost surely, 2^52019620291 is an apocalyptic number.

52019620291 is a deficient number, since it is larger than the sum of its proper divisors (1).

52019620291 is an equidigital number, since it uses as much as digits as its factorization.

52019620291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 52019620291 in words is "fifty-two billion, nineteen million, six hundred twenty thousand, two hundred ninety-one".