42452410813 has 2 divisors, whose sum is σ = 42452410814. Its totient is φ = 42452410812.

The previous prime is 42452410789. The next prime is 42452410823. The reversal of 42452410813 is 31801425424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38471684164 + 3980726649 = 196142^2 + 63093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42452410813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42452410823) 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, 21226205406 + 21226205407.

It is an arithmetic number, because the mean of its divisors is an integer number (21226205407).

Almost surely, 2^42452410813 is an apocalyptic number.

It is an amenable number.

42452410813 is a deficient number, since it is larger than the sum of its proper divisors (1).

42452410813 is an equidigital number, since it uses as much as digits as its factorization.

42452410813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 42452410813 in words is "forty-two billion, four hundred fifty-two million, four hundred ten thousand, eight hundred thirteen".