42494099 has 2 divisors, whose sum is σ = 42494100. Its totient is φ = 42494098.

The previous prime is 42494071. The next prime is 42494113. The reversal of 42494099 is 99049424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42494099 - 2¹² = 42490003 is a prime.

It is not a weakly prime, because it can be changed into another prime (42494009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21247049 + 21247050.

It is an arithmetic number, because the mean of its divisors is an integer number (21247050).

Almost surely, 2^42494099 is an apocalyptic number.

42494099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42494099 is an equidigital number, since it uses as much as digits as its factorization.

42494099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 42494099 is about 6518.7498034516. The cubic root of 42494099 is about 348.9604501396.

The spelling of 42494099 in words is "forty-two million, four hundred ninety-four thousand, ninety-nine".