19609045 has 8 divisors (see below), whose sum is σ = 24769440. Its totient is φ = 14861520.

The previous prime is 19609043. The next prime is 19609061. The reversal of 19609045 is 54090691.

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

It is not a de Polignac number, because 19609045 - 2¹ = 19609043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19609045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19609043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103111 + ... + 103300.

It is an arithmetic number, because the mean of its divisors is an integer number (3096180).

Almost surely, 2^19609045 is an apocalyptic number.

It is an amenable number.

19609045 is a deficient number, since it is larger than the sum of its proper divisors (5160395).

19609045 is a wasteful number, since it uses less digits than its factorization.

19609045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206435.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 19609045 is about 4428.2101350320. The cubic root of 19609045 is about 269.6614183008.

The spelling of 19609045 in words is "nineteen million, six hundred nine thousand, forty-five".