4991596980 has 24 divisors (see below), whose sum is σ = 13976471712. Its totient is φ = 1331092512.

The previous prime is 4991596937. The next prime is 4991597003. The reversal of 4991596980 is 896951994.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 83193283 = 4991596980 / (4 + 9 + 9 + 1 + 5 + 9 + 6 + 9 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41596582 + ... + 41596701.

It is an arithmetic number, because the mean of its divisors is an integer number (582352988).

Almost surely, 2^4991596980 is an apocalyptic number.

It is an amenable number.

4991596980 is an abundant number, since it is smaller than the sum of its proper divisors (8984874732).

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

4991596980 is a wasteful number, since it uses less digits than its factorization.

4991596980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83193295 (or 83193293 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 60.

The square root of 4991596980 is about 70651.2348087420. The cubic root of 4991596980 is about 1709.0174787357.

The spelling of 4991596980 in words is "four billion, nine hundred ninety-one million, five hundred ninety-six thousand, nine hundred eighty".