42524679973 has 2 divisors, whose sum is σ = 42524679974. Its totient is φ = 42524679972.

The previous prime is 42524679949. The next prime is 42524680019. The reversal of 42524679973 is 37997642524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30926036164 + 11598643809 = 175858^2 + 107697^2 .

It is a cyclic number.

It is not a de Polignac number, because 42524679973 - 2¹³ = 42524671781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42524676973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21262339986 + 21262339987.

It is an arithmetic number, because the mean of its divisors is an integer number (21262339987).

Almost surely, 2^42524679973 is an apocalyptic number.

It is an amenable number.

42524679973 is a deficient number, since it is larger than the sum of its proper divisors (1).

42524679973 is an equidigital number, since it uses as much as digits as its factorization.

42524679973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 58.

The spelling of 42524679973 in words is "forty-two billion, five hundred twenty-four million, six hundred seventy-nine thousand, nine hundred seventy-three".