13749325777540 has 24 divisors (see below), whose sum is σ = 29280254334912. Its totient is φ = 5422269320160.

The previous prime is 13749325777531. The next prime is 13749325777589. The reversal of 13749325777540 is 4577752394731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841310474 + ... + 4841313313.

It is an arithmetic number, because the mean of its divisors is an integer number (1220010597288).

Almost surely, 2^{13749325777540} is an apocalyptic number.

13749325777540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13749325777540 is an abundant number, since it is smaller than the sum of its proper divisors (15530928557372).

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

13749325777540 is a wasteful number, since it uses less digits than its factorization.

13749325777540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682623867 (or 9682623865 counting only the distinct ones).

The product of its (nonzero) digits is 155584800, while the sum is 64.

The spelling of 13749325777540 in words is "thirteen trillion, seven hundred forty-nine billion, three hundred twenty-five million, seven hundred seventy-seven thousand, five hundred forty".