42605100313 has 2 divisors, whose sum is σ = 42605100314. Its totient is φ = 42605100312.

The previous prime is 42605100283. The next prime is 42605100401. The reversal of 42605100313 is 31300150624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42059036889 + 546063424 = 205083^2 + 23368^2 .

It is a cyclic number.

It is not a de Polignac number, because 42605100313 - 2¹³ = 42605092121 is a prime.

It is not a weakly prime, because it can be changed into another prime (42605100413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21302550156 + 21302550157.

It is an arithmetic number, because the mean of its divisors is an integer number (21302550157).

Almost surely, 2^42605100313 is an apocalyptic number.

It is an amenable number.

42605100313 is a deficient number, since it is larger than the sum of its proper divisors (1).

42605100313 is an equidigital number, since it uses as much as digits as its factorization.

42605100313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 42605100313 its reverse (31300150624), we get a palindrome (73905250937).

The spelling of 42605100313 in words is "forty-two billion, six hundred five million, one hundred thousand, three hundred thirteen".