4421968794 has 16 divisors (see below), whose sum is σ = 9826597440. Its totient is φ = 1473989580.

The previous prime is 4421968741. The next prime is 4421968813. The reversal of 4421968794 is 4978691244.

4421968794 is a `hidden beast` number, since 442 + 196 + 8 + 7 + 9 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 81888311 = 4421968794 / (4 + 4 + 2 + 1 + 9 + 6 + 8 + 7 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 4421968794.

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, 40944102 + ... + 40944209.

It is an arithmetic number, because the mean of its divisors is an integer number (614162340).

Almost surely, 2^4421968794 is an apocalyptic number.

4421968794 is an abundant number, since it is smaller than the sum of its proper divisors (5404628646).

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

4421968794 is a wasteful number, since it uses less digits than its factorization.

4421968794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81888322 (or 81888316 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4421968794 is about 66497.8856355599. The cubic root of 4421968794 is about 1641.3652118707.

The spelling of 4421968794 in words is "four billion, four hundred twenty-one million, nine hundred sixty-eight thousand, seven hundred ninety-four".