4945444394 has 16 divisors (see below), whose sum is σ = 8093644416. Its totient is φ = 2247624000.

The previous prime is 4945444289. The next prime is 4945444403. The reversal of 4945444394 is 4934445494.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263759 + ... + 281885.

It is an arithmetic number, because the mean of its divisors is an integer number (505852776).

Almost surely, 2^4945444394 is an apocalyptic number.

4945444394 is a deficient number, since it is larger than the sum of its proper divisors (3148200022).

4945444394 is a wasteful number, since it uses less digits than its factorization.

4945444394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30541.

The product of its digits is 4976640, while the sum is 50.

The square root of 4945444394 is about 70323.8536628931. The cubic root of 4945444394 is about 1703.7339372864.

The spelling of 4945444394 in words is "four billion, nine hundred forty-five million, four hundred forty-four thousand, three hundred ninety-four".