42737085065 has 8 divisors (see below), whose sum is σ = 51331258440. Its totient is φ = 34158497152.

The previous prime is 42737085031. The next prime is 42737085067. The reversal of 42737085065 is 56058073724.

It can be written as a sum of positive squares in 4 ways, for example, as 3341186809 + 39395898256 = 57803^2 + 198484^2 .

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 42737085065 - 2²⁴ = 42720307849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42737085067) by changing a digit.

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, 3890330 + ... + 3901299.

It is an arithmetic number, because the mean of its divisors is an integer number (6416407305).

Almost surely, 2^42737085065 is an apocalyptic number.

It is an amenable number.

42737085065 is a deficient number, since it is larger than the sum of its proper divisors (8594173375).

42737085065 is a wasteful number, since it uses less digits than its factorization.

42737085065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792731.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 42737085065 in words is "forty-two billion, seven hundred thirty-seven million, eighty-five thousand, sixty-five".