42437399589 has 12 divisors (see below), whose sum is σ = 66013732876. Its totient is φ = 26115322752.

The previous prime is 42437399527. The next prime is 42437399621. The reversal of 42437399589 is 98599373424.

42437399589 is a `hidden beast` number, since 4 + 2 + 43 + 7 + 3 + 9 + 9 + 589 = 666.

42437399589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25199022564 + 17238377025 = 158742^2 + 131295^2 .

It is not a de Polignac number, because 42437399589 - 2⁹ = 42437399077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42437399509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181356292 + ... + 181356525.

Almost surely, 2^42437399589 is an apocalyptic number.

It is an amenable number.

42437399589 is a deficient number, since it is larger than the sum of its proper divisors (23576333287).

42437399589 is a wasteful number, since it uses less digits than its factorization.

42437399589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362712836 (or 362712833 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The spelling of 42437399589 in words is "forty-two billion, four hundred thirty-seven million, three hundred ninety-nine thousand, five hundred eighty-nine".