427733732161 has 8 divisors (see below), whose sum is σ = 433995033600. Its totient is φ = 421517639088.

The previous prime is 427733732159. The next prime is 427733732183. The reversal of 427733732161 is 161237337724.

It is a happy number.

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 427733732161 - 2¹ = 427733732159 is a prime.

It is a super-2 number, since 2×427733732161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427733739161) 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, 11283031 + ... + 11320876.

It is an arithmetic number, because the mean of its divisors is an integer number (54249379200).

Almost surely, 2^427733732161 is an apocalyptic number.

It is an amenable number.

427733732161 is a deficient number, since it is larger than the sum of its proper divisors (6261301439).

427733732161 is a wasteful number, since it uses less digits than its factorization.

427733732161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22604183.

The product of its digits is 889056, while the sum is 46.

The spelling of 427733732161 in words is "four hundred twenty-seven billion, seven hundred thirty-three million, seven hundred thirty-two thousand, one hundred sixty-one".