13144765626321 has 8 divisors (see below), whose sum is σ = 20030119049664. Its totient is φ = 7511294643600.

The previous prime is 13144765626319. The next prime is 13144765626341. The reversal of 13144765626321 is 12362656744131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13144765626321 - 2¹ = 13144765626319 is a prime.

It is a super-2 number, since 2×13144765626321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13144765626341) 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, 312970610130 + ... + 312970610171.

It is an arithmetic number, because the mean of its divisors is an integer number (2503764881208).

Almost surely, 2^{13144765626321} is an apocalyptic number.

It is an amenable number.

13144765626321 is a deficient number, since it is larger than the sum of its proper divisors (6885353423343).

13144765626321 is an equidigital number, since it uses as much as digits as its factorization.

13144765626321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625941220311.

The product of its digits is 4354560, while the sum is 51.

The spelling of 13144765626321 in words is "thirteen trillion, one hundred forty-four billion, seven hundred sixty-five million, six hundred twenty-six thousand, three hundred twenty-one".