9074709381988 has 48 divisors (see below), whose sum is σ = 16540755840000. Its totient is φ = 4350927788928.

The previous prime is 9074709381971. The next prime is 9074709381989. The reversal of 9074709381988 is 8891839074709.

It is a self number, because there is not a number n which added to its sum of digits gives 9074709381988.

It is not an unprimeable number, because it can be changed into a prime (9074709381989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153158473 + ... + 153217711.

It is an arithmetic number, because the mean of its divisors is an integer number (344599080000).

Almost surely, 2^{9074709381988} is an apocalyptic number.

It is an amenable number.

9074709381988 is a deficient number, since it is larger than the sum of its proper divisors (7466046458012).

9074709381988 is a wasteful number, since it uses less digits than its factorization.

9074709381988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68284 (or 68282 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 73.

The spelling of 9074709381988 in words is "nine trillion, seventy-four billion, seven hundred nine million, three hundred eighty-one thousand, nine hundred eighty-eight".