42332776069 has 2 divisors, whose sum is σ = 42332776070. Its totient is φ = 42332776068.

The previous prime is 42332776043. The next prime is 42332776133. The reversal of 42332776069 is 96067723324.

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., 30432802500 + 11899973569 = 174450^2 + 109087^2 .

It is a cyclic number.

It is not a de Polignac number, because 42332776069 - 2²⁷ = 42198558341 is a prime.

It is a super-2 number, since 2×42332776069² (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 (42332776039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21166388034 + 21166388035.

It is an arithmetic number, because the mean of its divisors is an integer number (21166388035).

Almost surely, 2^42332776069 is an apocalyptic number.

It is an amenable number.

42332776069 is a deficient number, since it is larger than the sum of its proper divisors (1).

42332776069 is an equidigital number, since it uses as much as digits as its factorization.

42332776069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 42332776069 in words is "forty-two billion, three hundred thirty-two million, seven hundred seventy-six thousand, sixty-nine".