13749105535380 has 96 divisors (see below), whose sum is σ = 42826970860800. Its totient is φ = 3661973069184.

The previous prime is 13749105535367. The next prime is 13749105535381. The reversal of 13749105535380 is 8353550194731.

13749105535380 is a `hidden beast` number, since 1 + 3 + 7 + 4 + 9 + 1 + 0 + 553 + 5 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13749105535381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15024175 + ... + 15913014.

It is an arithmetic number, because the mean of its divisors is an integer number (446114279800).

Almost surely, 2^{13749105535380} is an apocalyptic number.

13749105535380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13749105535380 is an abundant number, since it is smaller than the sum of its proper divisors (29077865325420).

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

13749105535380 is a wasteful number, since it uses less digits than its factorization.

13749105535380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30938030 (or 30938022 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 13749105535380 in words is "thirteen trillion, seven hundred forty-nine billion, one hundred five million, five hundred thirty-five thousand, three hundred eighty".