65412114021 has 12 divisors (see below), whose sum is σ = 100042056972. Its totient is φ = 41042894976.

The previous prime is 65412113999. The next prime is 65412114059. The reversal of 65412114021 is 12041121456.

65412114021 is a `hidden beast` number, since 6 + 5 + 41 + 211 + 402 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24581849796 + 40830264225 = 156786^2 + 202065^2 .

It is not a de Polignac number, because 65412114021 - 2¹⁵ = 65412081253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65412114091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213764926 + ... + 213765231.

It is an arithmetic number, because the mean of its divisors is an integer number (8336838081).

Almost surely, 2^65412114021 is an apocalyptic number.

It is an amenable number.

65412114021 is a deficient number, since it is larger than the sum of its proper divisors (34629942951).

65412114021 is a wasteful number, since it uses less digits than its factorization.

65412114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427530180 (or 427530177 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 65412114021 its reverse (12041121456), we get a palindrome (77453235477).

The spelling of 65412114021 in words is "sixty-five billion, four hundred twelve million, one hundred fourteen thousand, twenty-one".