42524646523 has 2 divisors, whose sum is σ = 42524646524. Its totient is φ = 42524646522.

The previous prime is 42524646517. The next prime is 42524646589. The reversal of 42524646523 is 32564642524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42524646523 - 2⁹ = 42524646011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42524646523.

It is not a weakly prime, because it can be changed into another prime (42524640523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21262323261 + 21262323262.

It is an arithmetic number, because the mean of its divisors is an integer number (21262323262).

Almost surely, 2^42524646523 is an apocalyptic number.

42524646523 is a deficient number, since it is larger than the sum of its proper divisors (1).

42524646523 is an equidigital number, since it uses as much as digits as its factorization.

42524646523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 43.

The spelling of 42524646523 in words is "forty-two billion, five hundred twenty-four million, six hundred forty-six thousand, five hundred twenty-three".