5021301681 has 72 divisors (see below), whose sum is σ = 8162055720. Its totient is φ = 2971584000.

The previous prime is 5021301631. The next prime is 5021301739. The reversal of 5021301681 is 1861031205.

It can be written as a sum of positive squares in 4 ways, for example, as 34117281 + 4987184400 = 5841^2 + 70620^2 .

It is not a de Polignac number, because 5021301681 - 2³⁰ = 3947559857 is a prime.

It is a super-2 number, since 2×5021301681² = 50426941143226851522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5021301631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17869261 + ... + 17869541.

It is an arithmetic number, because the mean of its divisors is an integer number (113361885).

Almost surely, 2^5021301681 is an apocalyptic number.

It is an amenable number.

5021301681 is a deficient number, since it is larger than the sum of its proper divisors (3140754039).

5021301681 is a wasteful number, since it uses less digits than its factorization.

5021301681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5021301681 is about 70861.1436613889. The cubic root of 5021301681 is about 1712.4008637516.

Adding to 5021301681 its reverse (1861031205), we get a palindrome (6882332886).

The spelling of 5021301681 in words is "five billion, twenty-one million, three hundred one thousand, six hundred eighty-one".