6745105703988 has 144 divisors (see below), whose sum is σ = 18574880373504. Its totient is φ = 2055402670080.

The previous prime is 6745105703983. The next prime is 6745105704037. The reversal of 6745105703988 is 8893075015476.

6745105703988 is a `hidden beast` number, since 6 + 7 + 4 + 51 + 0 + 570 + 3 + 9 + 8 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745105703981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5103781 + ... + 6287987.

It is an arithmetic number, because the mean of its divisors is an integer number (128992224816).

Almost surely, 2^{6745105703988} is an apocalyptic number.

6745105703988 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6745105703988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9287440186752).

6745105703988 is an abundant number, since it is smaller than the sum of its proper divisors (11829774669516).

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

6745105703988 is a wasteful number, since it uses less digits than its factorization.

6745105703988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184502 (or 1184497 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 6745105703988 in words is "six trillion, seven hundred forty-five billion, one hundred five million, seven hundred three thousand, nine hundred eighty-eight".