4909839994 has 12 divisors (see below), whose sum is σ = 7409297754. Its totient is φ = 2440081784.

The previous prime is 4909839971. The next prime is 4909840021. The reversal of 4909839994 is 4999389094.

It can be written as a sum of positive squares in only one way, i.e., 3192815025 + 1717024969 = 56505^2 + 41437^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301499 + ... + 1305265.

Almost surely, 2^4909839994 is an apocalyptic number.

4909839994 is a deficient number, since it is larger than the sum of its proper divisors (2499457760).

4909839994 is an frugal number, since it uses more digits than its factorization.

4909839994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709 (or 3942 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 64.

The square root of 4909839994 is about 70070.2504205601. The cubic root of 4909839994 is about 1699.6354459354.

The spelling of 4909839994 in words is "four billion, nine hundred nine million, eight hundred thirty-nine thousand, nine hundred ninety-four".