42789119 has 4 divisors (see below), whose sum is σ = 45306144. Its totient is φ = 40272096.

The previous prime is 42789113. The next prime is 42789127. The reversal of 42789119 is 91198724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42789119 - 2¹² = 42785023 is a prime.

It is a super-2 number, since 2×42789119² = 3661817409592322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42789113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258487 + ... + 1258520.

It is an arithmetic number, because the mean of its divisors is an integer number (11326536).

Almost surely, 2^42789119 is an apocalyptic number.

42789119 is a deficient number, since it is larger than the sum of its proper divisors (2517025).

42789119 is a wasteful number, since it uses less digits than its factorization.

42789119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517024.

The product of its digits is 36288, while the sum is 41.

The square root of 42789119 is about 6541.3392359669. The cubic root of 42789119 is about 349.7661539990.

The spelling of 42789119 in words is "forty-two million, seven hundred eighty-nine thousand, one hundred nineteen".