19442059 has 8 divisors (see below), whose sum is σ = 23928800. Its totient is φ = 15382656.

The previous prime is 19442051. The next prime is 19442083. The reversal of 19442059 is 95024491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19442059 - 2³ = 19442051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19442051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106734 + ... + 106915.

It is an arithmetic number, because the mean of its divisors is an integer number (2991100).

Almost surely, 2^19442059 is an apocalyptic number.

19442059 is a deficient number, since it is larger than the sum of its proper divisors (4486741).

19442059 is a wasteful number, since it uses less digits than its factorization.

19442059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213669.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 19442059 is about 4409.3150261690. The cubic root of 19442059 is about 268.8937774751.

The spelling of 19442059 in words is "nineteen million, four hundred forty-two thousand, fifty-nine".