42332421013 has 2 divisors, whose sum is σ = 42332421014. Its totient is φ = 42332421012.

The previous prime is 42332421011. The next prime is 42332421029. The reversal of 42332421013 is 31012423324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41242298724 + 1090122289 = 203082^2 + 33017^2 .

It is a cyclic number.

It is not a de Polignac number, because 42332421013 - 2¹ = 42332421011 is a prime.

Together with 42332421011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42332421011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21166210506 + 21166210507.

It is an arithmetic number, because the mean of its divisors is an integer number (21166210507).

Almost surely, 2^42332421013 is an apocalyptic number.

It is an amenable number.

42332421013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42332421013 is an equidigital number, since it uses as much as digits as its factorization.

42332421013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42332421013 its reverse (31012423324), we get a palindrome (73344844337).

The spelling of 42332421013 in words is "forty-two billion, three hundred thirty-two million, four hundred twenty-one thousand, thirteen".