4591913920 has 112 divisors (see below), whose sum is σ = 12556540800. Its totient is φ = 1581880320.

The previous prime is 4591913903. The next prime is 4591913923. The reversal of 4591913920 is 293191954.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591913923) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32551 + ... + 101209.

Almost surely, 2^4591913920 is an apocalyptic number.

4591913920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4591913920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6278270400).

4591913920 is an abundant number, since it is smaller than the sum of its proper divisors (7964626880).

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

4591913920 is a wasteful number, since it uses less digits than its factorization.

4591913920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68706 (or 68696 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 4591913920 is about 67763.6622386955. The cubic root of 4591913920 is about 1662.1284354014.

The spelling of 4591913920 in words is "four billion, five hundred ninety-one million, nine hundred thirteen thousand, nine hundred twenty".