8455420343 has 2 divisors, whose sum is σ = 8455420344. Its totient is φ = 8455420342.

The previous prime is 8455420307. The next prime is 8455420381. The reversal of 8455420343 is 3430245548.

It is an a-pointer prime, because the next prime (8455420381) can be obtained adding 8455420343 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8455420343 - 2²² = 8451226039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8455420297 and 8455420306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8455420943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4227710171 + 4227710172.

It is an arithmetic number, because the mean of its divisors is an integer number (4227710172).

Almost surely, 2^8455420343 is an apocalyptic number.

8455420343 is a deficient number, since it is larger than the sum of its proper divisors (1).

8455420343 is an equidigital number, since it uses as much as digits as its factorization.

8455420343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 8455420343 is about 91953.3596069225. The cubic root of 8455420343 is about 2037.2534760788.

The spelling of 8455420343 in words is "eight billion, four hundred fifty-five million, four hundred twenty thousand, three hundred forty-three".