4896311243821 has 2 divisors, whose sum is σ = 4896311243822. Its totient is φ = 4896311243820.

The previous prime is 4896311243753. The next prime is 4896311243893. The reversal of 4896311243821 is 1283421136984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4450775018596 + 445536225225 = 2109686^2 + 667485^2 .

It is a cyclic number.

It is not a de Polignac number, because 4896311243821 - 2⁷ = 4896311243693 is a prime.

It is a super-2 number, since 2×4896311243821² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4896311241821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2448155621910 + 2448155621911.

It is an arithmetic number, because the mean of its divisors is an integer number (2448155621911).

Almost surely, 2^{4896311243821} is an apocalyptic number.

It is an amenable number.

4896311243821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4896311243821 is an equidigital number, since it uses as much as digits as its factorization.

4896311243821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 52.

The spelling of 4896311243821 in words is "four trillion, eight hundred ninety-six billion, three hundred eleven million, two hundred forty-three thousand, eight hundred twenty-one".