4989920782 has 32 divisors (see below), whose sum is σ = 9522259200. Its totient is φ = 1944122040.

The previous prime is 4989920773. The next prime is 4989920791. The reversal of 4989920782 is 2870299894.

It is an interprime number because it is at equal distance from previous prime (4989920773) and next prime (4989920791).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323088 + ... + 338179.

It is an arithmetic number, because the mean of its divisors is an integer number (297570600).

Almost surely, 2^4989920782 is an apocalyptic number.

4989920782 is a deficient number, since it is larger than the sum of its proper divisors (4532338418).

4989920782 is a wasteful number, since it uses less digits than its factorization.

4989920782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661301 (or 661287 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 4989920782 is about 70639.3713307246. The cubic root of 4989920782 is about 1708.8261590435.

The spelling of 4989920782 in words is "four billion, nine hundred eighty-nine million, nine hundred twenty thousand, seven hundred eighty-two".