13478173542 has 48 divisors (see below), whose sum is σ = 29405376000. Its totient is φ = 4461597936.

The previous prime is 13478173531. The next prime is 13478173543. The reversal of 13478173542 is 24537187431.

13478173542 is a `hidden beast` number, since 1 + 3 + 478 + 173 + 5 + 4 + 2 = 666.

It is a super-2 number, since 2×13478173542² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13478173543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6007873 + ... + 6010115.

It is an arithmetic number, because the mean of its divisors is an integer number (612612000).

Almost surely, 2^13478173542 is an apocalyptic number.

13478173542 is an abundant number, since it is smaller than the sum of its proper divisors (15927202458).

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

13478173542 is a wasteful number, since it uses less digits than its factorization.

13478173542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417 (or 4414 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 13478173542 in words is "thirteen billion, four hundred seventy-eight million, one hundred seventy-three thousand, five hundred forty-two".