42948329 has 2 divisors, whose sum is σ = 42948330. Its totient is φ = 42948328.

The previous prime is 42948319. The next prime is 42948349. The reversal of 42948329 is 92384924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 14645929 = 5320^2 + 3827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42948329 is a prime.

It is not a weakly prime, because it can be changed into another prime (42948319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21474164 + 21474165.

It is an arithmetic number, because the mean of its divisors is an integer number (21474165).

Almost surely, 2^42948329 is an apocalyptic number.

It is an amenable number.

42948329 is a deficient number, since it is larger than the sum of its proper divisors (1).

42948329 is an equidigital number, since it uses as much as digits as its factorization.

42948329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 42948329 is about 6553.4974631871. The cubic root of 42948329 is about 350.1994210473.

The spelling of 42948329 in words is "forty-two million, nine hundred forty-eight thousand, three hundred twenty-nine".