4989689947 has 12 divisors (see below), whose sum is σ = 5500119240. Its totient is φ = 4523192960.

The previous prime is 4989689927. The next prime is 4989689953. The reversal of 4989689947 is 7499869894.

It is not a de Polignac number, because 4989689947 - 2⁷ = 4989689819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4989689947.

It is not an unprimeable number, because it can be changed into a prime (4989689927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15697 + ... + 101122.

It is an arithmetic number, because the mean of its divisors is an integer number (458343270).

Almost surely, 2^4989689947 is an apocalyptic number.

4989689947 is a deficient number, since it is larger than the sum of its proper divisors (510429293).

4989689947 is a wasteful number, since it uses less digits than its factorization.

4989689947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117194 (or 117183 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 73.

The square root of 4989689947 is about 70637.7374142179. The cubic root of 4989689947 is about 1708.7998083934.

The spelling of 4989689947 in words is "four billion, nine hundred eighty-nine million, six hundred eighty-nine thousand, nine hundred forty-seven".