42416658461 has 4 divisors (see below), whose sum is σ = 42417348924. Its totient is φ = 42415968000.

The previous prime is 42416658457. The next prime is 42416658463. The reversal of 42416658461 is 16485661424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28698392836 + 13718265625 = 169406^2 + 117125^2 .

It is a cyclic number.

It is not a de Polignac number, because 42416658461 - 2² = 42416658457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42416658463) 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 3 ways as a sum of consecutive naturals, for example, 242990 + ... + 379311.

It is an arithmetic number, because the mean of its divisors is an integer number (10604337231).

Almost surely, 2^42416658461 is an apocalyptic number.

It is an amenable number.

42416658461 is a deficient number, since it is larger than the sum of its proper divisors (690463).

42416658461 is an equidigital number, since it uses as much as digits as its factorization.

42416658461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690462.

The product of its digits is 1105920, while the sum is 47.

The spelling of 42416658461 in words is "forty-two billion, four hundred sixteen million, six hundred fifty-eight thousand, four hundred sixty-one".