42666000737 has 2 divisors, whose sum is σ = 42666000738. Its totient is φ = 42666000736.

The previous prime is 42666000721. The next prime is 42666000781. The reversal of 42666000737 is 73700066624.

42666000737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34017744721 + 8648256016 = 184439^2 + 92996^2 .

It is a cyclic number.

It is not a de Polignac number, because 42666000737 - 2⁴ = 42666000721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42666000694 and 42666000703.

It is not a weakly prime, because it can be changed into another prime (42666006737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21333000368 + 21333000369.

It is an arithmetic number, because the mean of its divisors is an integer number (21333000369).

Almost surely, 2^42666000737 is an apocalyptic number.

It is an amenable number.

42666000737 is a deficient number, since it is larger than the sum of its proper divisors (1).

42666000737 is an equidigital number, since it uses as much as digits as its factorization.

42666000737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 42666000737 in words is "forty-two billion, six hundred sixty-six million, seven hundred thirty-seven", and thus it is an aban number.