52194190291 has 2 divisors, whose sum is σ = 52194190292. Its totient is φ = 52194190290.

The previous prime is 52194190259. The next prime is 52194190333. The reversal of 52194190291 is 19209149125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52194190291 - 2⁵ = 52194190259 is a prime.

It is not a weakly prime, because it can be changed into another prime (52194190201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26097095145 + 26097095146.

It is an arithmetic number, because the mean of its divisors is an integer number (26097095146).

Almost surely, 2^52194190291 is an apocalyptic number.

52194190291 is a deficient number, since it is larger than the sum of its proper divisors (1).

52194190291 is an equidigital number, since it uses as much as digits as its factorization.

52194190291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 52194190291 in words is "fifty-two billion, one hundred ninety-four million, one hundred ninety thousand, two hundred ninety-one".