1609383960501 has 4 divisors (see below), whose sum is σ = 2145845280672. Its totient is φ = 1072922640332.

The previous prime is 1609383960491. The next prime is 1609383960521. The reversal of 1609383960501 is 1050693839061.

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 1609383960501 - 2⁵ = 1609383960469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609383960521) 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, 268230660081 + ... + 268230660086.

It is an arithmetic number, because the mean of its divisors is an integer number (536461320168).

Almost surely, 2^{1609383960501} is an apocalyptic number.

It is an amenable number.

1609383960501 is a deficient number, since it is larger than the sum of its proper divisors (536461320171).

1609383960501 is an equidigital number, since it uses as much as digits as its factorization.

1609383960501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536461320170.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 1609383960501 in words is "one trillion, six hundred nine billion, three hundred eighty-three million, nine hundred sixty thousand, five hundred one".