52773426637 has 2 divisors, whose sum is σ = 52773426638. Its totient is φ = 52773426636.

The previous prime is 52773426619. The next prime is 52773426659. The reversal of 52773426637 is 73662437725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50332473801 + 2440952836 = 224349^2 + 49406^2 .

It is a cyclic number.

It is not a de Polignac number, because 52773426637 - 2¹¹ = 52773424589 is a prime.

It is a super-2 number, since 2×52773426637² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52773426137) 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, 26386713318 + 26386713319.

It is an arithmetic number, because the mean of its divisors is an integer number (26386713319).

Almost surely, 2^52773426637 is an apocalyptic number.

It is an amenable number.

52773426637 is a deficient number, since it is larger than the sum of its proper divisors (1).

52773426637 is an equidigital number, since it uses as much as digits as its factorization.

52773426637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8890560, while the sum is 52.

The spelling of 52773426637 in words is "fifty-two billion, seven hundred seventy-three million, four hundred twenty-six thousand, six hundred thirty-seven".