42450217343 has 2 divisors, whose sum is σ = 42450217344. Its totient is φ = 42450217342.

The previous prime is 42450217301. The next prime is 42450217417. The reversal of 42450217343 is 34371205424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42450217343 - 2⁶ = 42450217279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42450217543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21225108671 + 21225108672.

It is an arithmetic number, because the mean of its divisors is an integer number (21225108672).

Almost surely, 2^42450217343 is an apocalyptic number.

42450217343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42450217343 is an equidigital number, since it uses as much as digits as its factorization.

42450217343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 42450217343 in words is "forty-two billion, four hundred fifty million, two hundred seventeen thousand, three hundred forty-three".