6741287987256 has 24 divisors (see below), whose sum is σ = 18257654965680. Its totient is φ = 2247095995728.

The previous prime is 6741287987221. The next prime is 6741287987257. The reversal of 6741287987256 is 6527897821476.

It is a happy number.

6741287987256 is a `hidden beast` number, since 6 + 7 + 4 + 1 + 287 + 98 + 7 + 256 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 93628999823 = 6741287987256 / (6 + 7 + 4 + 1 + 2 + 8 + 7 + 9 + 8 + 7 + 2 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6741287987257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46814499840 + ... + 46814499983.

It is an arithmetic number, because the mean of its divisors is an integer number (760735623570).

Almost surely, 2^{6741287987256} is an apocalyptic number.

It is an amenable number.

6741287987256 is an abundant number, since it is smaller than the sum of its proper divisors (11516366978424).

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

6741287987256 is a wasteful number, since it uses less digits than its factorization.

6741287987256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93628999835 (or 93628999828 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 72.

The spelling of 6741287987256 in words is "six trillion, seven hundred forty-one billion, two hundred eighty-seven million, nine hundred eighty-seven thousand, two hundred fifty-six".