4989211920 has 480 divisors, whose sum is σ = 21571190784. Its totient is φ = 1002931200.

The previous prime is 4989211907. The next prime is 4989211933. The reversal of 4989211920 is 291129894.

It is an interprime number because it is at equal distance from previous prime (4989211907) and next prime (4989211933).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1717189 + ... + 1720091.

Almost surely, 2^4989211920 is an apocalyptic number.

4989211920 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 4989211920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10785595392).

4989211920 is an abundant number, since it is smaller than the sum of its proper divisors (16581978864).

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

4989211920 is a wasteful number, since it uses less digits than its factorization.

4989211920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 4989211920 is about 70634.3536814771. The cubic root of 4989211920 is about 1708.7452372984.

The spelling of 4989211920 in words is "four billion, nine hundred eighty-nine million, two hundred eleven thousand, nine hundred twenty".