8919810938 has 8 divisors (see below), whose sum is σ = 13390432500. Its totient is φ = 4456333440.

The previous prime is 8919810901. The next prime is 8919810967. The reversal of 8919810938 is 8390189198.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8237922169 + 681888769 = 90763^2 + 26113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782893 + ... + 1787888.

Almost surely, 2^8919810938 is an apocalyptic number.

8919810938 is a deficient number, since it is larger than the sum of its proper divisors (4470621562).

8919810938 is a wasteful number, since it uses less digits than its factorization.

8919810938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572032.

The product of its (nonzero) digits is 1119744, while the sum is 56.

The square root of 8919810938 is about 94444.7507170197. The cubic root of 8919810938 is about 2073.8876072155.

The spelling of 8919810938 in words is "eight billion, nine hundred nineteen million, eight hundred ten thousand, nine hundred thirty-eight".