13044020013401 has 4 divisors (see below), whose sum is σ = 14047406168292. Its totient is φ = 12040633858512.

The previous prime is 13044020013347. The next prime is 13044020013421. The reversal of 13044020013401 is 10431002044031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 654887181001 + 12389132832400 = 809251^2 + 3519820^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044020013401 - 2¹⁴ = 13044019997017 is a prime.

It is a super-2 number, since 2×13044020013401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13044020013421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501693077426 + ... + 501693077451.

It is an arithmetic number, because the mean of its divisors is an integer number (3511851542073).

Almost surely, 2^{13044020013401} is an apocalyptic number.

It is an amenable number.

13044020013401 is a deficient number, since it is larger than the sum of its proper divisors (1003386154891).

13044020013401 is a wasteful number, since it uses less digits than its factorization.

13044020013401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003386154890.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13044020013401 its reverse (10431002044031), we get a palindrome (23475022057432).

The spelling of 13044020013401 in words is "thirteen trillion, forty-four billion, twenty million, thirteen thousand, four hundred one".