73606489609 has 4 divisors (see below), whose sum is σ = 73637853904. Its totient is φ = 73575125316.

The previous prime is 73606489589. The next prime is 73606489633. The reversal of 73606489609 is 90698460637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73606489609 - 2²³ = 73598101001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73606489009) 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, 15678627 + ... + 15683320.

It is an arithmetic number, because the mean of its divisors is an integer number (18409463476).

Almost surely, 2^73606489609 is an apocalyptic number.

It is an amenable number.

73606489609 is a deficient number, since it is larger than the sum of its proper divisors (31364295).

73606489609 is a wasteful number, since it uses less digits than its factorization.

73606489609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31364294.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 73606489609 in words is "seventy-three billion, six hundred six million, four hundred eighty-nine thousand, six hundred nine".