42619559 has 2 divisors, whose sum is σ = 42619560. Its totient is φ = 42619558.

The previous prime is 42619501. The next prime is 42619567. The reversal of 42619559 is 95591624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42619559 - 2²⁴ = 25842343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42619859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21309779 + 21309780.

It is an arithmetic number, because the mean of its divisors is an integer number (21309780).

Almost surely, 2^42619559 is an apocalyptic number.

42619559 is a deficient number, since it is larger than the sum of its proper divisors (1).

42619559 is an equidigital number, since it uses as much as digits as its factorization.

42619559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 42619559 is about 6528.3657219859. The cubic root of 42619559 is about 349.3035374824.

The spelling of 42619559 in words is "forty-two million, six hundred nineteen thousand, five hundred fifty-nine".