4865971640 has 16 divisors (see below), whose sum is σ = 10948436280. Its totient is φ = 1946388640.

The previous prime is 4865971613. The next prime is 4865971651. The reversal of 4865971640 is 461795684.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60824606 + ... + 60824685.

Almost surely, 2^4865971640 is an apocalyptic number.

4865971640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4865971640 is an abundant number, since it is smaller than the sum of its proper divisors (6082464640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4865971640 is a wasteful number, since it uses less digits than its factorization.

4865971640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121649302 (or 121649298 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 4865971640 is about 69756.5168281789. The cubic root of 4865971640 is about 1694.5583369647.

The spelling of 4865971640 in words is "four billion, eight hundred sixty-five million, nine hundred seventy-one thousand, six hundred forty".