4979287648 has 24 divisors (see below), whose sum is σ = 9837629928. Its totient is φ = 2480841984.

The previous prime is 4979287639. The next prime is 4979287657. The reversal of 4979287648 is 8467829794.

It is an interprime number because it is at equal distance from previous prime (4979287639) and next prime (4979287657).

It is a self number, because there is not a number n which added to its sum of digits gives 4979287648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265861 + ... + 283972.

It is an arithmetic number, because the mean of its divisors is an integer number (409901247).

Almost surely, 2^4979287648 is an apocalyptic number.

It is an amenable number.

4979287648 is a deficient number, since it is larger than the sum of its proper divisors (4858342280).

4979287648 is a wasteful number, since it uses less digits than its factorization.

4979287648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550126 (or 550118 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 64.

The square root of 4979287648 is about 70564.0676832055. The cubic root of 4979287648 is about 1707.6115038723.

The spelling of 4979287648 in words is "four billion, nine hundred seventy-nine million, two hundred eighty-seven thousand, six hundred forty-eight".