13773995473 has 4 divisors (see below), whose sum is σ = 15741709120. Its totient is φ = 11806281828.

The previous prime is 13773995461. The next prime is 13773995507. The reversal of 13773995473 is 37459937731.

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.

It is a cyclic number.

It is not a de Polignac number, because 13773995473 - 2²⁹ = 13237124561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13773995453) 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, 983856813 + ... + 983856826.

It is an arithmetic number, because the mean of its divisors is an integer number (3935427280).

Almost surely, 2^13773995473 is an apocalyptic number.

It is an amenable number.

13773995473 is a deficient number, since it is larger than the sum of its proper divisors (1967713647).

13773995473 is an equidigital number, since it uses as much as digits as its factorization.

13773995473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967713646.

The product of its digits is 15002820, while the sum is 58.

The spelling of 13773995473 in words is "thirteen billion, seven hundred seventy-three million, nine hundred ninety-five thousand, four hundred seventy-three".