8340842441 has 2 divisors, whose sum is σ = 8340842442. Its totient is φ = 8340842440.

The previous prime is 8340842359. The next prime is 8340842473. The reversal of 8340842441 is 1442480438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4788086416 + 3552756025 = 69196^2 + 59605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8340842441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8340842395 and 8340842404.

It is not a weakly prime, because it can be changed into another prime (8340842491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170421220 + 4170421221.

It is an arithmetic number, because the mean of its divisors is an integer number (4170421221).

Almost surely, 2^8340842441 is an apocalyptic number.

It is an amenable number.

8340842441 is a deficient number, since it is larger than the sum of its proper divisors (1).

8340842441 is an equidigital number, since it uses as much as digits as its factorization.

8340842441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 8340842441 is about 91328.2127329775. The cubic root of 8340842441 is about 2028.0094411683.

The spelling of 8340842441 in words is "eight billion, three hundred forty million, eight hundred forty-two thousand, four hundred forty-one".