1609498109467 has 4 divisors (see below), whose sum is σ = 1609741721056. Its totient is φ = 1609254497880.

The previous prime is 1609498109431. The next prime is 1609498109473. The reversal of 1609498109467 is 7649018949061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1609498109467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1609498109399 and 1609498109408.

It is not an unprimeable number, because it can be changed into a prime (1609498109767) 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, 121795884 + ... + 121809097.

It is an arithmetic number, because the mean of its divisors is an integer number (402435430264).

Almost surely, 2^{1609498109467} is an apocalyptic number.

1609498109467 is a deficient number, since it is larger than the sum of its proper divisors (243611589).

1609498109467 is an equidigital number, since it uses as much as digits as its factorization.

1609498109467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243611588.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 1609498109467 in words is "one trillion, six hundred nine billion, four hundred ninety-eight million, one hundred nine thousand, four hundred sixty-seven".