1609696610373 has 4 divisors (see below), whose sum is σ = 2146262147168. Its totient is φ = 1073131073580.

The previous prime is 1609696610339. The next prime is 1609696610377. The reversal of 1609696610373 is 3730166969061.

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 not a de Polignac number, because 1609696610373 - 2¹⁶ = 1609696544837 is a prime.

It is a super-2 number, since 2×1609696610373² (a number of 25 digits) 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 (1609696610377) 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, 268282768393 + ... + 268282768398.

It is an arithmetic number, because the mean of its divisors is an integer number (536565536792).

Almost surely, 2^{1609696610373} is an apocalyptic number.

It is an amenable number.

1609696610373 is a deficient number, since it is larger than the sum of its proper divisors (536565536795).

1609696610373 is an equidigital number, since it uses as much as digits as its factorization.

1609696610373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536565536794.

The product of its (nonzero) digits is 6613488, while the sum is 57.

The spelling of 1609696610373 in words is "one trillion, six hundred nine billion, six hundred ninety-six million, six hundred ten thousand, three hundred seventy-three".