13201405461 has 16 divisors (see below), whose sum is σ = 19730718720. Its totient is φ = 8723050560.

The previous prime is 13201405457. The next prime is 13201405489. The reversal of 13201405461 is 16450410231.

It is a happy number.

13201405461 is a `hidden beast` number, since 13 + 201 + 405 + 46 + 1 = 666.

It is not a de Polignac number, because 13201405461 - 2² = 13201405457 is a prime.

It is a super-2 number, since 2×13201405461² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201485461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160405 + ... + 2166506.

It is an arithmetic number, because the mean of its divisors is an integer number (1233169920).

Almost surely, 2^13201405461 is an apocalyptic number.

It is an amenable number.

13201405461 is a deficient number, since it is larger than the sum of its proper divisors (6529313259).

13201405461 is a wasteful number, since it uses less digits than its factorization.

13201405461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4327033 (or 4327027 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 13201405461 its reverse (16450410231), we get a palindrome (29651815692).

The spelling of 13201405461 in words is "thirteen billion, two hundred one million, four hundred five thousand, four hundred sixty-one".