13748821542 has 12 divisors (see below), whose sum is σ = 29789113380. Its totient is φ = 4582940508.

The previous prime is 13748821517. The next prime is 13748821579. The reversal of 13748821542 is 24512884731.

13748821542 is a `hidden beast` number, since 1 + 3 + 7 + 4 + 88 + 21 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381911692 + ... + 381911727.

It is an arithmetic number, because the mean of its divisors is an integer number (2482426115).

Almost surely, 2^13748821542 is an apocalyptic number.

13748821542 is an abundant number, since it is smaller than the sum of its proper divisors (16040291838).

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

13748821542 is a wasteful number, since it uses less digits than its factorization.

13748821542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763823427 (or 763823424 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 13748821542 in words is "thirteen billion, seven hundred forty-eight million, eight hundred twenty-one thousand, five hundred forty-two".