5921197920 has 432 divisors, whose sum is σ = 23528232000. Its totient is φ = 1350328320.

The previous prime is 5921197907. The next prime is 5921197921. The reversal of 5921197920 is 297911295.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5921197921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2961081 + ... + 2963079.

It is an arithmetic number, because the mean of its divisors is an integer number (54463500).

Almost surely, 2^5921197920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5921197920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11764116000).

5921197920 is an abundant number, since it is smaller than the sum of its proper divisors (17607034080).

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

5921197920 is a wasteful number, since it uses less digits than its factorization.

5921197920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 5921197920 is about 76949.3204648358. The cubic root of 5921197920 is about 1809.1303495001.

It can be divided in two parts, 5921 and 197920, that added together give a triangular number (203841 = T₆₃₈).

The spelling of 5921197920 in words is "five billion, nine hundred twenty-one million, one hundred ninety-seven thousand, nine hundred twenty".