42466263989 has 2 divisors, whose sum is σ = 42466263990. Its totient is φ = 42466263988.

The previous prime is 42466263977. The next prime is 42466264039. The reversal of 42466263989 is 98936266424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37304991025 + 5161272964 = 193145^2 + 71842^2 .

It is a cyclic number.

It is not a de Polignac number, because 42466263989 - 2¹² = 42466259893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42466263949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21233131994 + 21233131995.

It is an arithmetic number, because the mean of its divisors is an integer number (21233131995).

Almost surely, 2^42466263989 is an apocalyptic number.

It is an amenable number.

42466263989 is a deficient number, since it is larger than the sum of its proper divisors (1).

42466263989 is an equidigital number, since it uses as much as digits as its factorization.

42466263989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 59.

The spelling of 42466263989 in words is "forty-two billion, four hundred sixty-six million, two hundred sixty-three thousand, nine hundred eighty-nine".