13509456476 has 24 divisors (see below), whose sum is σ = 23754650304. Its totient is φ = 6722449920.

The previous prime is 13509456451. The next prime is 13509456481. The reversal of 13509456476 is 67465490531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985336 + ... + 1992128.

It is an arithmetic number, because the mean of its divisors is an integer number (989777096).

Almost surely, 2^13509456476 is an apocalyptic number.

It is an amenable number.

13509456476 is a deficient number, since it is larger than the sum of its proper divisors (10245193828).

13509456476 is a wasteful number, since it uses less digits than its factorization.

13509456476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101 (or 9099 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 13509456476 in words is "thirteen billion, five hundred nine million, four hundred fifty-six thousand, four hundred seventy-six".