42413847681 has 8 divisors (see below), whose sum is σ = 57618812160. Its totient is φ = 27742390832.

The previous prime is 42413847661. The next prime is 42413847683. The reversal of 42413847681 is 18674831424.

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 42413847681 - 2⁹ = 42413847169 is a prime.

It is a super-2 number, since 2×42413847681² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42413847681.

It is not an unprimeable number, because it can be changed into a prime (42413847683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133376721 + ... + 133377038.

It is an arithmetic number, because the mean of its divisors is an integer number (7202351520).

Almost surely, 2^42413847681 is an apocalyptic number.

It is an amenable number.

42413847681 is a deficient number, since it is larger than the sum of its proper divisors (15204964479).

42413847681 is a wasteful number, since it uses less digits than its factorization.

42413847681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266753815.

The product of its digits is 1032192, while the sum is 48.

The spelling of 42413847681 in words is "forty-two billion, four hundred thirteen million, eight hundred forty-seven thousand, six hundred eighty-one".