13478244546 has 16 divisors (see below), whose sum is σ = 29030065344. Its totient is φ = 4147152144.

The previous prime is 13478244509. The next prime is 13478244547. The reversal of 13478244546 is 64544287431.

It is a super-2 number, since 2×13478244546² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13478244495 and 13478244504.

It is not an unprimeable number, because it can be changed into a prime (13478244547) 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, 86398926 + ... + 86399081.

It is an arithmetic number, because the mean of its divisors is an integer number (1814379084).

Almost surely, 2^13478244546 is an apocalyptic number.

13478244546 is an abundant number, since it is smaller than the sum of its proper divisors (15551820798).

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

13478244546 is a wasteful number, since it uses less digits than its factorization.

13478244546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172798025.

The product of its digits is 2580480, while the sum is 48.

The spelling of 13478244546 in words is "thirteen billion, four hundred seventy-eight million, two hundred forty-four thousand, five hundred forty-six".