42452261941 has 2 divisors, whose sum is σ = 42452261942. Its totient is φ = 42452261940.

The previous prime is 42452261939. The next prime is 42452262007. The reversal of 42452261941 is 14916225424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37738890225 + 4713371716 = 194265^2 + 68654^2 .

It is a cyclic number.

It is not a de Polignac number, because 42452261941 - 2¹ = 42452261939 is a prime.

Together with 42452261939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42452261894 and 42452261903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42452261641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21226130970 + 21226130971.

It is an arithmetic number, because the mean of its divisors is an integer number (21226130971).

Almost surely, 2^42452261941 is an apocalyptic number.

It is an amenable number.

42452261941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42452261941 is an equidigital number, since it uses as much as digits as its factorization.

42452261941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The spelling of 42452261941 in words is "forty-two billion, four hundred fifty-two million, two hundred sixty-one thousand, nine hundred forty-one".