4996115021 has 2 divisors, whose sum is σ = 4996115022. Its totient is φ = 4996115020.

The previous prime is 4996115009. The next prime is 4996115063. The reversal of 4996115021 is 1205116994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4367359396 + 628755625 = 66086^2 + 25075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4996115021 is a prime.

It is a super-2 number, since 2×4996115021² = 49922330606123660882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4996115081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498057510 + 2498057511.

It is an arithmetic number, because the mean of its divisors is an integer number (2498057511).

Almost surely, 2^4996115021 is an apocalyptic number.

It is an amenable number.

4996115021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4996115021 is an equidigital number, since it uses as much as digits as its factorization.

4996115021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 4996115021 is about 70683.2018304208. The cubic root of 4996115021 is about 1709.5329505453.

The spelling of 4996115021 in words is "four billion, nine hundred ninety-six million, one hundred fifteen thousand, twenty-one".