42318761005 has 8 divisors (see below), whose sum is σ = 50787135000. Its totient is φ = 33851927616.

The previous prime is 42318760969. The next prime is 42318761021. The reversal of 42318761005 is 50016781324.

It can be written as a sum of positive squares in 4 ways, for example, as 268337161 + 42050423844 = 16381^2 + 205062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42318761005 - 2¹³ = 42318752813 is a prime.

It is a super-2 number, since 2×42318761005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323830 + ... + 435319.

It is an arithmetic number, because the mean of its divisors is an integer number (6348391875).

Almost surely, 2^42318761005 is an apocalyptic number.

It is an amenable number.

42318761005 is a deficient number, since it is larger than the sum of its proper divisors (8468373995).

42318761005 is a wasteful number, since it uses less digits than its factorization.

42318761005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770303.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 42318761005 in words is "forty-two billion, three hundred eighteen million, seven hundred sixty-one thousand, five".