13531334554 has 4 divisors (see below), whose sum is σ = 20297001834. Its totient is φ = 6765667276.

The previous prime is 13531334533. The next prime is 13531334561. The reversal of 13531334554 is 45543313531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45543313531 = 17 ⋅2679018443.

It can be written as a sum of positive squares in only one way, i.e., 13491984025 + 39350529 = 116155^2 + 6273^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382833637 + ... + 3382833640.

Almost surely, 2^13531334554 is an apocalyptic number.

13531334554 is a deficient number, since it is larger than the sum of its proper divisors (6765667280).

13531334554 is an equidigital number, since it uses as much as digits as its factorization.

13531334554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765667279.

The product of its digits is 162000, while the sum is 37.

The spelling of 13531334554 in words is "thirteen billion, five hundred thirty-one million, three hundred thirty-four thousand, five hundred fifty-four".