13461476478 has 32 divisors (see below), whose sum is σ = 29572128000. Its totient is φ = 4066166016.

The previous prime is 13461476473. The next prime is 13461476507. The reversal of 13461476478 is 87467416431.

It is a happy number.

It is a super-2 number, since 2×13461476478² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13461476478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13461476473) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2564403 + ... + 2569646.

It is an arithmetic number, because the mean of its divisors is an integer number (924129000).

Almost surely, 2^13461476478 is an apocalyptic number.

13461476478 is an abundant number, since it is smaller than the sum of its proper divisors (16110651522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13461476478 is a wasteful number, since it uses less digits than its factorization.

13461476478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134096.

The product of its digits is 2709504, while the sum is 51.

The spelling of 13461476478 in words is "thirteen billion, four hundred sixty-one million, four hundred seventy-six thousand, four hundred seventy-eight".