42263153021 has 2 divisors, whose sum is σ = 42263153022. Its totient is φ = 42263153020.

The previous prime is 42263153011. The next prime is 42263153071. The reversal of 42263153021 is 12035136224.

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., 37789416025 + 4473736996 = 194395^2 + 66886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42263153021 is a prime.

It is a super-2 number, since 2×42263153021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42263153011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131576510 + 21131576511.

It is an arithmetic number, because the mean of its divisors is an integer number (21131576511).

Almost surely, 2^42263153021 is an apocalyptic number.

It is an amenable number.

42263153021 is a deficient number, since it is larger than the sum of its proper divisors (1).

42263153021 is an equidigital number, since it uses as much as digits as its factorization.

42263153021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 42263153021 its reverse (12035136224), we get a palindrome (54298289245).

The spelling of 42263153021 in words is "forty-two billion, two hundred sixty-three million, one hundred fifty-three thousand, twenty-one".