13484477448431 has 4 divisors (see below), whose sum is σ = 14710339034664. Its totient is φ = 12258615862200.

The previous prime is 13484477448427. The next prime is 13484477448521.

13484477448431 is nontrivially palindromic in base 10.

13484477448431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13484477448431 - 2² = 13484477448427 is a prime.

It is a super-2 number, since 2×13484477448431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13484477442431) 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, 612930793100 + ... + 612930793121.

It is an arithmetic number, because the mean of its divisors is an integer number (3677584758666).

Almost surely, 2^{13484477448431} is an apocalyptic number.

13484477448431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13484477448431 is a deficient number, since it is larger than the sum of its proper divisors (1225861586233).

13484477448431 is a wasteful number, since it uses less digits than its factorization.

13484477448431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225861586232.

The product of its digits is 115605504, while the sum is 62.

The spelling of 13484477448431 in words is "thirteen trillion, four hundred eighty-four billion, four hundred seventy-seven million, four hundred forty-eight thousand, four hundred thirty-one".