13521476954 has 16 divisors (see below), whose sum is σ = 20996620200. Its totient is φ = 6522937344.

The previous prime is 13521476933. The next prime is 13521476999. The reversal of 13521476954 is 45967412531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3005999929 + 10515477025 = 54827^2 + 102545^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13521476899 and 13521476908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 164450.

Almost surely, 2^13521476954 is an apocalyptic number.

13521476954 is a deficient number, since it is larger than the sum of its proper divisors (7475143246).

13521476954 is a wasteful number, since it uses less digits than its factorization.

13521476954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166897.

The product of its digits is 907200, while the sum is 47.

The spelling of 13521476954 in words is "thirteen billion, five hundred twenty-one million, four hundred seventy-six thousand, nine hundred fifty-four".