42424763533 has 2 divisors, whose sum is σ = 42424763534. Its totient is φ = 42424763532.

The previous prime is 42424763503. The next prime is 42424763599. The reversal of 42424763533 is 33536742424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30665963689 + 11758799844 = 175117^2 + 108438^2 .

It is a cyclic number.

It is not a de Polignac number, because 42424763533 - 2¹³ = 42424755341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42424763533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42424763503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212381766 + 21212381767.

It is an arithmetic number, because the mean of its divisors is an integer number (21212381767).

Almost surely, 2^42424763533 is an apocalyptic number.

It is an amenable number.

42424763533 is a deficient number, since it is larger than the sum of its proper divisors (1).

42424763533 is an equidigital number, since it uses as much as digits as its factorization.

42424763533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 43.

The spelling of 42424763533 in words is "forty-two billion, four hundred twenty-four million, seven hundred sixty-three thousand, five hundred thirty-three".