52454650309 has 2 divisors, whose sum is σ = 52454650310. Its totient is φ = 52454650308.

The previous prime is 52454650301. The next prime is 52454650319. The reversal of 52454650309 is 90305645425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46992701284 + 5461949025 = 216778^2 + 73905^2 .

It is a cyclic number.

It is not a de Polignac number, because 52454650309 - 2³ = 52454650301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52454650301) 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, 26227325154 + 26227325155.

It is an arithmetic number, because the mean of its divisors is an integer number (26227325155).

Almost surely, 2^52454650309 is an apocalyptic number.

It is an amenable number.

52454650309 is a deficient number, since it is larger than the sum of its proper divisors (1).

52454650309 is an equidigital number, since it uses as much as digits as its factorization.

52454650309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 52454650309 in words is "fifty-two billion, four hundred fifty-four million, six hundred fifty thousand, three hundred nine".