42476449 has 2 divisors, whose sum is σ = 42476450. Its totient is φ = 42476448.

The previous prime is 42476443. The next prime is 42476471. The reversal of 42476449 is 94467424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 3038049 = 6280^2 + 1743^2 .

It is a cyclic number.

It is not a de Polignac number, because 42476449 - 2⁷ = 42476321 is a prime.

It is not a weakly prime, because it can be changed into another prime (42476443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21238224 + 21238225.

It is an arithmetic number, because the mean of its divisors is an integer number (21238225).

Almost surely, 2^42476449 is an apocalyptic number.

It is an amenable number.

42476449 is a deficient number, since it is larger than the sum of its proper divisors (1).

42476449 is an equidigital number, since it uses as much as digits as its factorization.

42476449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 42476449 is about 6517.3958756546. The cubic root of 42476449 is about 348.9121296667.

The spelling of 42476449 in words is "forty-two million, four hundred seventy-six thousand, four hundred forty-nine".