1609242693659 has 8 divisors (see below), whose sum is σ = 1616311509120. Its totient is φ = 1602174240000.

The previous prime is 1609242693637. The next prime is 1609242693661. The reversal of 1609242693659 is 9563962429061.

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

It is a cyclic number.

It is not a de Polignac number, because 1609242693659 - 2⁸ = 1609242693403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1609242693629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12915659 + ... + 13039659.

It is an arithmetic number, because the mean of its divisors is an integer number (202038938640).

Almost surely, 2^{1609242693659} is an apocalyptic number.

1609242693659 is a deficient number, since it is larger than the sum of its proper divisors (7068815461).

1609242693659 is a wasteful number, since it uses less digits than its factorization.

1609242693659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180901.

The product of its (nonzero) digits is 37791360, while the sum is 62.

The spelling of 1609242693659 in words is "one trillion, six hundred nine billion, two hundred forty-two million, six hundred ninety-three thousand, six hundred fifty-nine".