1612338409 has 8 divisors (see below), whose sum is σ = 1765925280. Its totient is φ = 1459920000.

The previous prime is 1612338373. The next prime is 1612338439. The reversal of 1612338409 is 9048332161.

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

It is not a de Polignac number, because 1612338409 - 2¹¹ = 1612336361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612338439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289224 + ... + 294745.

It is an arithmetic number, because the mean of its divisors is an integer number (220740660).

Almost surely, 2^1612338409 is an apocalyptic number.

It is an amenable number.

1612338409 is a deficient number, since it is larger than the sum of its proper divisors (153586871).

1612338409 is a wasteful number, since it uses less digits than its factorization.

1612338409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584231.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1612338409 is about 40153.9339168655. The cubic root of 1612338409 is about 1172.6058773007.

The spelling of 1612338409 in words is "one billion, six hundred twelve million, three hundred thirty-eight thousand, four hundred nine".