4921171038 has 240 divisors, whose sum is σ = 13732202880. Its totient is φ = 1309470624.

The previous prime is 4921171007. The next prime is 4921171111. The reversal of 4921171038 is 8301711294.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4921170993 and 4921171011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10104831 + ... + 10105317.

It is an arithmetic number, because the mean of its divisors is an integer number (57217512).

Almost surely, 2^4921171038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4921171038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6866101440).

4921171038 is an abundant number, since it is smaller than the sum of its proper divisors (8811031842).

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

4921171038 is a wasteful number, since it uses less digits than its factorization.

4921171038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 4921171038 is about 70151.0587090459. The cubic root of 4921171038 is about 1700.9419276013.

The spelling of 4921171038 in words is "four billion, nine hundred twenty-one million, one hundred seventy-one thousand, thirty-eight".