201413441421 has 6 divisors (see below), whose sum is σ = 290930526510. Its totient is φ = 134275627608.

The previous prime is 201413441419. The next prime is 201413441431. The reversal of 201413441421 is 124144314102.

201413441421 is a `hidden beast` number, since 201 + 4 + 1 + 34 + 4 + 1 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 161271315396 + 40142126025 = 401586^2 + 200355^2 .

It is not a de Polignac number, because 201413441421 - 2¹ = 201413441419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201413441431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11189635626 + ... + 11189635643.

It is an arithmetic number, because the mean of its divisors is an integer number (48488421085).

Almost surely, 2^201413441421 is an apocalyptic number.

It is an amenable number.

201413441421 is a deficient number, since it is larger than the sum of its proper divisors (89517085089).

201413441421 is a wasteful number, since it uses less digits than its factorization.

201413441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22379271275 (or 22379271272 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 201413441421 its reverse (124144314102), we get a palindrome (325557755523).

The spelling of 201413441421 in words is "two hundred one billion, four hundred thirteen million, four hundred forty-one thousand, four hundred twenty-one".