4989492399 has 4 divisors (see below), whose sum is σ = 6652656536. Its totient is φ = 3326328264.

The previous prime is 4989492379. The next prime is 4989492407. The reversal of 4989492399 is 9932949894.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4989492399 - 2⁷ = 4989492271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989492379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831582064 + ... + 831582069.

It is an arithmetic number, because the mean of its divisors is an integer number (1663164134).

Almost surely, 2^4989492399 is an apocalyptic number.

4989492399 is a deficient number, since it is larger than the sum of its proper divisors (1663164137).

4989492399 is a wasteful number, since it uses less digits than its factorization.

4989492399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663164136.

The product of its digits is 45349632, while the sum is 66.

The square root of 4989492399 is about 70636.3390826563. The cubic root of 4989492399 is about 1708.7772569294. Note that the first 3 decimals are identical.

The spelling of 4989492399 in words is "four billion, nine hundred eighty-nine million, four hundred ninety-two thousand, three hundred ninety-nine".