42337849 has 2 divisors, whose sum is σ = 42337850. Its totient is φ = 42337848.

The previous prime is 42337819. The next prime is 42337873. The reversal of 42337849 is 94873324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 2458624 = 6315^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 42337849 - 2²⁵ = 8783417 is a prime.

It is not a weakly prime, because it can be changed into another prime (42337819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21168924 + 21168925.

It is an arithmetic number, because the mean of its divisors is an integer number (21168925).

Almost surely, 2^42337849 is an apocalyptic number.

It is an amenable number.

42337849 is a deficient number, since it is larger than the sum of its proper divisors (1).

42337849 is an equidigital number, since it uses as much as digits as its factorization.

42337849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 42337849 is about 6506.7541063114. The cubic root of 42337849 is about 348.5322178462.

The spelling of 42337849 in words is "forty-two million, three hundred thirty-seven thousand, eight hundred forty-nine".