421165411704 has 80 divisors (see below), whose sum is σ = 1241740163400. Its totient is φ = 132999599808.

The previous prime is 421165411687. The next prime is 421165411721. The reversal of 421165411704 is 407114561124.

421165411704 is a `hidden beast` number, since 42 + 1 + 1 + 6 + 541 + 1 + 70 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (421165411687) and next prime (421165411721).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17091547 + ... + 17116170.

Almost surely, 2^421165411704 is an apocalyptic number.

It is an amenable number.

421165411704 is an abundant number, since it is smaller than the sum of its proper divisors (820574751696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421165411704 is a wasteful number, since it uses less digits than its factorization.

421165411704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34207754 (or 34207741 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

Adding to 421165411704 its reverse (407114561124), we get a palindrome (828279972828).

The spelling of 421165411704 in words is "four hundred twenty-one billion, one hundred sixty-five million, four hundred eleven thousand, seven hundred four".