14634666146421 has 24 divisors (see below), whose sum is σ = 21333704535000. Its totient is φ = 9666569797632.

The previous prime is 14634666146417. The next prime is 14634666146437. The reversal of 14634666146421 is 12464166643641.

It can be written as a sum of positive squares in 4 ways, for example, as 9813897005796 + 4820769140625 = 3132714^2 + 2195625^2 .

It is not a de Polignac number, because 14634666146421 - 2² = 14634666146417 is a prime.

It is a super-2 number, since 2×14634666146421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14634666146461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27012405 + ... + 27548853.

It is an arithmetic number, because the mean of its divisors is an integer number (888904355625).

Almost surely, 2^{14634666146421} is an apocalyptic number.

It is an amenable number.

14634666146421 is a deficient number, since it is larger than the sum of its proper divisors (6699038388579).

14634666146421 is a wasteful number, since it uses less digits than its factorization.

14634666146421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564373 (or 564370 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The spelling of 14634666146421 in words is "fourteen trillion, six hundred thirty-four billion, six hundred sixty-six million, one hundred forty-six thousand, four hundred twenty-one".