42331422044369 has 2 divisors, whose sum is σ = 42331422044370. Its totient is φ = 42331422044368.

The previous prime is 42331422044357. The next prime is 42331422044411. The reversal of 42331422044369 is 96344022413324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42191780070400 + 139641973969 = 6495520^2 + 373687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42331422044369 is a prime.

It is a super-2 number, since 2×42331422044369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42331422043369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165711022184 + 21165711022185.

It is an arithmetic number, because the mean of its divisors is an integer number (21165711022185).

Almost surely, 2^{42331422044369} is an apocalyptic number.

It is an amenable number.

42331422044369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331422044369 is an equidigital number, since it uses as much as digits as its factorization.

42331422044369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 42331422044369 in words is "forty-two trillion, three hundred thirty-one billion, four hundred twenty-two million, forty-four thousand, three hundred sixty-nine".