4961851020 has 336 divisors, whose sum is σ = 18169962048. Its totient is φ = 1114145280.

The previous prime is 4961850983. The next prime is 4961851031. The reversal of 4961851020 is 201581694.

4961851020 is a `hidden beast` number, since 4 + 9 + 618 + 5 + 10 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 6225262 + ... + 6226058.

It is an arithmetic number, because the mean of its divisors is an integer number (54077268).

Almost surely, 2^4961851020 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 4961851020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9084981024).

4961851020 is an abundant number, since it is smaller than the sum of its proper divisors (13208111028).

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

4961851020 is a wasteful number, since it uses less digits than its factorization.

4961851020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 4961851020 is about 70440.4075797408. The cubic root of 4961851020 is about 1705.6159165441.

The spelling of 4961851020 in words is "four billion, nine hundred sixty-one million, eight hundred fifty-one thousand, twenty".