13475208993 has 8 divisors (see below), whose sum is σ = 17979436800. Its totient is φ = 8977226928.

The previous prime is 13475208983. The next prime is 13475209061. The reversal of 13475208993 is 39980257431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13475208993 - 2⁴ = 13475208977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13475208983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556398 + ... + 1565031.

It is an arithmetic number, because the mean of its divisors is an integer number (2247429600).

Almost surely, 2^13475208993 is an apocalyptic number.

It is an amenable number.

13475208993 is a deficient number, since it is larger than the sum of its proper divisors (4504227807).

13475208993 is a wasteful number, since it uses less digits than its factorization.

13475208993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122871.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 13475208993 in words is "thirteen billion, four hundred seventy-five million, two hundred eight thousand, nine hundred ninety-three".