8919811042 has 16 divisors (see below), whose sum is σ = 13617525600. Its totient is φ = 4380758560.

The previous prime is 8919811037. The next prime is 8919811057. The reversal of 8919811042 is 2401189198.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8919811042.

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, 118542 + ... + 178582.

It is an arithmetic number, because the mean of its divisors is an integer number (851095350).

Almost surely, 2^8919811042 is an apocalyptic number.

8919811042 is a deficient number, since it is larger than the sum of its proper divisors (4697714558).

8919811042 is a wasteful number, since it uses less digits than its factorization.

8919811042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61361.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 8919811042 is about 94444.7512676062. The cubic root of 8919811042 is about 2073.8876152756.

The spelling of 8919811042 in words is "eight billion, nine hundred nineteen million, eight hundred eleven thousand, forty-two".