42826537253 has 2 divisors, whose sum is σ = 42826537254. Its totient is φ = 42826537252.

The previous prime is 42826537219. The next prime is 42826537319. The reversal of 42826537253 is 35273562824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25512714529 + 17313822724 = 159727^2 + 131582^2 .

It is a cyclic number.

It is not a de Polignac number, because 42826537253 - 2²⁰ = 42825488677 is a prime.

It is a super-2 number, since 2×42826537253² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42826537198 and 42826537207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42826537153) 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, 21413268626 + 21413268627.

It is an arithmetic number, because the mean of its divisors is an integer number (21413268627).

Almost surely, 2^42826537253 is an apocalyptic number.

It is an amenable number.

42826537253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42826537253 is an equidigital number, since it uses as much as digits as its factorization.

42826537253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 47.

The spelling of 42826537253 in words is "forty-two billion, eight hundred twenty-six million, five hundred thirty-seven thousand, two hundred fifty-three".