42350540537 has 2 divisors, whose sum is σ = 42350540538. Its totient is φ = 42350540536.

The previous prime is 42350540497. The next prime is 42350540581. The reversal of 42350540537 is 73504505324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31616751721 + 10733788816 = 177811^2 + 103604^2 .

It is a cyclic number.

It is not a de Polignac number, because 42350540537 - 2³⁰ = 41276798713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42350540537.

It is not a weakly prime, because it can be changed into another prime (42350540237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175270268 + 21175270269.

It is an arithmetic number, because the mean of its divisors is an integer number (21175270269).

Almost surely, 2^42350540537 is an apocalyptic number.

It is an amenable number.

42350540537 is a deficient number, since it is larger than the sum of its proper divisors (1).

42350540537 is an equidigital number, since it uses as much as digits as its factorization.

42350540537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 38.

The spelling of 42350540537 in words is "forty-two billion, three hundred fifty million, five hundred forty thousand, five hundred thirty-seven".