4921816343 has 2 divisors, whose sum is σ = 4921816344. Its totient is φ = 4921816342.

The previous prime is 4921816307. The next prime is 4921816349. The reversal of 4921816343 is 3436181294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4921816343 - 2⁶ = 4921816279 is a prime.

It is a super-2 number, since 2×4921816343² = 48448552228443787298, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 4921816343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4921816349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460908171 + 2460908172.

It is an arithmetic number, because the mean of its divisors is an integer number (2460908172).

Almost surely, 2^4921816343 is an apocalyptic number.

4921816343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4921816343 is an equidigital number, since it uses as much as digits as its factorization.

4921816343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 4921816343 is about 70155.6579542947. The cubic root of 4921816343 is about 1701.0162715836.

The spelling of 4921816343 in words is "four billion, nine hundred twenty-one million, eight hundred sixteen thousand, three hundred forty-three".