427617421659 has 48 divisors (see below), whose sum is σ = 640095206400. Its totient is φ = 274968701568.

The previous prime is 427617421601. The next prime is 427617421697. The reversal of 427617421659 is 956124716724.

427617421659 is a `hidden beast` number, since 4 + 2 + 7 + 617 + 4 + 2 + 16 + 5 + 9 = 666.

It is not a de Polignac number, because 427617421659 - 2¹⁷ = 427617290587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427617423659) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5489022 + ... + 5566380.

It is an arithmetic number, because the mean of its divisors is an integer number (13335316800).

Almost surely, 2^427617421659 is an apocalyptic number.

427617421659 is a deficient number, since it is larger than the sum of its proper divisors (212477784741).

427617421659 is a wasteful number, since it uses less digits than its factorization.

427617421659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77624 (or 77621 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 427617421659 in words is "four hundred twenty-seven billion, six hundred seventeen million, four hundred twenty-one thousand, six hundred fifty-nine".