42948863 has 2 divisors, whose sum is σ = 42948864. Its totient is φ = 42948862.

The previous prime is 42948859. The next prime is 42948887. The reversal of 42948863 is 36884924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42948863 - 2² = 42948859 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42978863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21474431 + 21474432.

It is an arithmetic number, because the mean of its divisors is an integer number (21474432).

Almost surely, 2^42948863 is an apocalyptic number.

42948863 is a deficient number, since it is larger than the sum of its proper divisors (1).

42948863 is an equidigital number, since it uses as much as digits as its factorization.

42948863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 44.

The square root of 42948863 is about 6553.5382046647. The cubic root of 42948863 is about 350.2008724481.

The spelling of 42948863 in words is "forty-two million, nine hundred forty-eight thousand, eight hundred sixty-three".