42437000849 has 2 divisors, whose sum is σ = 42437000850. Its totient is φ = 42437000848.

The previous prime is 42437000833. The next prime is 42437000857. The reversal of 42437000849 is 94800073424.

42437000849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32674177600 + 9762823249 = 180760^2 + 98807^2 .

It is a cyclic number.

It is not a de Polignac number, because 42437000849 - 2⁴ = 42437000833 is a prime.

It is not a weakly prime, because it can be changed into another prime (42437000819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21218500424 + 21218500425.

It is an arithmetic number, because the mean of its divisors is an integer number (21218500425).

Almost surely, 2^42437000849 is an apocalyptic number.

It is an amenable number.

42437000849 is a deficient number, since it is larger than the sum of its proper divisors (1).

42437000849 is an equidigital number, since it uses as much as digits as its factorization.

42437000849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 42437000849 in words is "forty-two billion, four hundred thirty-seven million, eight hundred forty-nine", and thus it is an aban number.