42433493 has 2 divisors, whose sum is σ = 42433494. Its totient is φ = 42433492.

The previous prime is 42433481. The next prime is 42433519. The reversal of 42433493 is 39433424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38031889 + 4401604 = 6167^2 + 2098^2 .

It is a cyclic number.

It is not a de Polignac number, because 42433493 - 2⁶ = 42433429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42433453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216746 + 21216747.

It is an arithmetic number, because the mean of its divisors is an integer number (21216747).

Almost surely, 2^42433493 is an apocalyptic number.

It is an amenable number.

42433493 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433493 is an equidigital number, since it uses as much as digits as its factorization.

42433493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 32.

The square root of 42433493 is about 6514.0995540443. The cubic root of 42433493 is about 348.7944729024.

The spelling of 42433493 in words is "forty-two million, four hundred thirty-three thousand, four hundred ninety-three".