201406417236421 has 8 divisors (see below), whose sum is σ = 202550249544800. Its totient is φ = 200264370773040.

The previous prime is 201406417236419. The next prime is 201406417236439. The reversal of 201406417236421 is 124632714604102.

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 201406417236421 - 2¹ = 201406417236419 is a prime.

It is a super-2 number, since 2×201406417236421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201406417236481) 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, 446235051 + ... + 446686168.

It is an arithmetic number, because the mean of its divisors is an integer number (25318781193100).

Almost surely, 2^{201406417236421} is an apocalyptic number.

It is an amenable number.

201406417236421 is a deficient number, since it is larger than the sum of its proper divisors (1143832308379).

201406417236421 is a wasteful number, since it uses less digits than its factorization.

201406417236421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892922499.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 201406417236421 in words is "two hundred one trillion, four hundred six billion, four hundred seventeen million, two hundred thirty-six thousand, four hundred twenty-one".