13553584973 has 4 divisors (see below), whose sum is σ = 13744480608. Its totient is φ = 13362689340.

The previous prime is 13553584943. The next prime is 13553584981. The reversal of 13553584973 is 37948535531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37948535531 = 29027 ⋅1307353.

It is a cyclic number.

It is not a de Polignac number, because 13553584973 - 2¹⁰ = 13553583949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553584903) 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, 95447711 + ... + 95447852.

It is an arithmetic number, because the mean of its divisors is an integer number (3436120152).

Almost surely, 2^13553584973 is an apocalyptic number.

It is an amenable number.

13553584973 is a deficient number, since it is larger than the sum of its proper divisors (190895635).

13553584973 is an equidigital number, since it uses as much as digits as its factorization.

13553584973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190895634.

The product of its digits is 6804000, while the sum is 53.

The spelling of 13553584973 in words is "thirteen billion, five hundred fifty-three million, five hundred eighty-four thousand, nine hundred seventy-three".