42234862517 has 2 divisors, whose sum is σ = 42234862518. Its totient is φ = 42234862516.

The previous prime is 42234862459. The next prime is 42234862531. The reversal of 42234862517 is 71526843224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29167857796 + 13067004721 = 170786^2 + 114311^2 .

It is a cyclic number.

It is not a de Polignac number, because 42234862517 - 2¹⁴ = 42234846133 is a prime.

It is a super-2 number, since 2×42234862517² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42234862567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21117431258 + 21117431259.

It is an arithmetic number, because the mean of its divisors is an integer number (21117431259).

Almost surely, 2^42234862517 is an apocalyptic number.

It is an amenable number.

42234862517 is a deficient number, since it is larger than the sum of its proper divisors (1).

42234862517 is an equidigital number, since it uses as much as digits as its factorization.

42234862517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 44.

The spelling of 42234862517 in words is "forty-two billion, two hundred thirty-four million, eight hundred sixty-two thousand, five hundred seventeen".