13901844832449 has 16 divisors (see below), whose sum is σ = 21184005459840. Its totient is φ = 7943820618240.

The previous prime is 13901844832441. The next prime is 13901844832501. The reversal of 13901844832449 is 94423844810931.

It is not a de Polignac number, because 13901844832449 - 2³ = 13901844832441 is a prime.

It is a super-2 number, since 2×13901844832449² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13901844832392 and 13901844832401.

It is not an unprimeable number, because it can be changed into a prime (13901844832441) 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, 1874682 + ... + 5596259.

It is an arithmetic number, because the mean of its divisors is an integer number (1324000341240).

Almost surely, 2^{13901844832449} is an apocalyptic number.

It is an amenable number.

13901844832449 is a deficient number, since it is larger than the sum of its proper divisors (7282160627391).

13901844832449 is an equidigital number, since it uses as much as digits as its factorization.

13901844832449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559560.

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 13901844832449 in words is "thirteen trillion, nine hundred one billion, eight hundred forty-four million, eight hundred thirty-two thousand, four hundred forty-nine".