42552340573 has 2 divisors, whose sum is σ = 42552340574. Its totient is φ = 42552340572.

The previous prime is 42552340529. The next prime is 42552340591. The reversal of 42552340573 is 37504325524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42387397924 + 164942649 = 205882^2 + 12843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42552340573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42552340513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21276170286 + 21276170287.

It is an arithmetic number, because the mean of its divisors is an integer number (21276170287).

Almost surely, 2^42552340573 is an apocalyptic number.

It is an amenable number.

42552340573 is a deficient number, since it is larger than the sum of its proper divisors (1).

42552340573 is an equidigital number, since it uses as much as digits as its factorization.

42552340573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 40.

The spelling of 42552340573 in words is "forty-two billion, five hundred fifty-two million, three hundred forty thousand, five hundred seventy-three".