42910843 has 2 divisors, whose sum is σ = 42910844. Its totient is φ = 42910842.

The previous prime is 42910837. The next prime is 42910849. The reversal of 42910843 is 34801924.

It is a balanced prime because it is at equal distance from previous prime (42910837) and next prime (42910849).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42910843 is a prime.

It is not a weakly prime, because it can be changed into another prime (42910849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21455421 + 21455422.

It is an arithmetic number, because the mean of its divisors is an integer number (21455422).

Almost surely, 2^42910843 is an apocalyptic number.

42910843 is a deficient number, since it is larger than the sum of its proper divisors (1).

42910843 is an equidigital number, since it uses as much as digits as its factorization.

42910843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 42910843 is about 6550.6368392699. The cubic root of 42910843 is about 350.0975048069.

The spelling of 42910843 in words is "forty-two million, nine hundred ten thousand, eight hundred forty-three".