42030420013 has 2 divisors, whose sum is σ = 42030420014. Its totient is φ = 42030420012.

The previous prime is 42030419987. The next prime is 42030420083. The reversal of 42030420013 is 31002403024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40540614409 + 1489805604 = 201347^2 + 38598^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030420013 - 2¹³ = 42030411821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42030420083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015210006 + 21015210007.

It is an arithmetic number, because the mean of its divisors is an integer number (21015210007).

Almost surely, 2^42030420013 is an apocalyptic number.

It is an amenable number.

42030420013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030420013 is an equidigital number, since it uses as much as digits as its factorization.

42030420013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 42030420013 its reverse (31002403024), we get a palindrome (73032823037).

The spelling of 42030420013 in words is "forty-two billion, thirty million, four hundred twenty thousand, thirteen".