13798044481 has 4 divisors (see below), whose sum is σ = 14859432532. Its totient is φ = 12736656432.

The previous prime is 13798044443. The next prime is 13798044487. The reversal of 13798044481 is 18444089731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18444089731 = 127 ⋅145229053.

It can be written as a sum of positive squares in 2 ways, for example, as 7967347600 + 5830696881 = 89260^2 + 76359^2 .

It is a cyclic number.

It is not a de Polignac number, because 13798044481 - 2²⁵ = 13764490049 is a prime.

It is a super-2 number, since 2×13798044481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13798044487) 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, 530694006 + ... + 530694031.

It is an arithmetic number, because the mean of its divisors is an integer number (3714858133).

Almost surely, 2^13798044481 is an apocalyptic number.

It is an amenable number.

13798044481 is a deficient number, since it is larger than the sum of its proper divisors (1061388051).

13798044481 is a wasteful number, since it uses less digits than its factorization.

13798044481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061388050.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 13798044481 in words is "thirteen billion, seven hundred ninety-eight million, forty-four thousand, four hundred eighty-one".