5004996489721 has 2 divisors, whose sum is σ = 5004996489722. Its totient is φ = 5004996489720.

The previous prime is 5004996489709. The next prime is 5004996489751. The reversal of 5004996489721 is 1279846994005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3992759279721 + 1012237210000 = 1998189^2 + 1006100^2 .

It is a cyclic number.

It is not a de Polignac number, because 5004996489721 - 2⁷ = 5004996489593 is a prime.

It is a super-3 number, since 3×5004996489721³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5004996489751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502498244860 + 2502498244861.

It is an arithmetic number, because the mean of its divisors is an integer number (2502498244861).

Almost surely, 2^{5004996489721} is an apocalyptic number.

It is an amenable number.

5004996489721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5004996489721 is an equidigital number, since it uses as much as digits as its factorization.

5004996489721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 5004996489721 in words is "five trillion, four billion, nine hundred ninety-six million, four hundred eighty-nine thousand, seven hundred twenty-one".