42262212761 has 2 divisors, whose sum is σ = 42262212762. Its totient is φ = 42262212760.

The previous prime is 42262212739. The next prime is 42262212763. The reversal of 42262212761 is 16721226224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35006410000 + 7255802761 = 187100^2 + 85181^2 .

It is a cyclic number.

It is not a de Polignac number, because 42262212761 - 2⁶ = 42262212697 is a prime.

Together with 42262212763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42262212763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131106380 + 21131106381.

It is an arithmetic number, because the mean of its divisors is an integer number (21131106381).

Almost surely, 2^42262212761 is an apocalyptic number.

It is an amenable number.

42262212761 is a deficient number, since it is larger than the sum of its proper divisors (1).

42262212761 is an equidigital number, since it uses as much as digits as its factorization.

42262212761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

Adding to 42262212761 its reverse (16721226224), we get a palindrome (58983438985).

The spelling of 42262212761 in words is "forty-two billion, two hundred sixty-two million, two hundred twelve thousand, seven hundred sixty-one".