53210638933 has 2 divisors, whose sum is σ = 53210638934. Its totient is φ = 53210638932.

The previous prime is 53210638931. The next prime is 53210638961. The reversal of 53210638933 is 33983601235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53007234289 + 203404644 = 230233^2 + 14262^2 .

It is a cyclic number.

It is not a de Polignac number, because 53210638933 - 2¹ = 53210638931 is a prime.

Together with 53210638931, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53210638933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53210638931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26605319466 + 26605319467.

It is an arithmetic number, because the mean of its divisors is an integer number (26605319467).

Almost surely, 2^53210638933 is an apocalyptic number.

It is an amenable number.

53210638933 is a deficient number, since it is larger than the sum of its proper divisors (1).

53210638933 is an equidigital number, since it uses as much as digits as its factorization.

53210638933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 53210638933 in words is "fifty-three billion, two hundred ten million, six hundred thirty-eight thousand, nine hundred thirty-three".