42676459517 has 2 divisors, whose sum is σ = 42676459518. Its totient is φ = 42676459516.

The previous prime is 42676459487. The next prime is 42676459523. The reversal of 42676459517 is 71595467624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42675709561 + 749956 = 206581^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 42676459517 - 2⁶ = 42676459453 is a prime.

It is a super-2 number, since 2×42676459517² (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 (42676459717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21338229758 + 21338229759.

It is an arithmetic number, because the mean of its divisors is an integer number (21338229759).

Almost surely, 2^42676459517 is an apocalyptic number.

It is an amenable number.

42676459517 is a deficient number, since it is larger than the sum of its proper divisors (1).

42676459517 is an equidigital number, since it uses as much as digits as its factorization.

42676459517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 56.

The spelling of 42676459517 in words is "forty-two billion, six hundred seventy-six million, four hundred fifty-nine thousand, five hundred seventeen".