1609512947045 has 8 divisors (see below), whose sum is σ = 1932450049824. Its totient is φ = 1286920682064.

The previous prime is 1609512946997. The next prime is 1609512947051. The reversal of 1609512947045 is 5407492159061.

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 1609512947045 - 2²² = 1609508752741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86199179 + ... + 86217848.

It is an arithmetic number, because the mean of its divisors is an integer number (241556256228).

Almost surely, 2^{1609512947045} is an apocalyptic number.

It is an amenable number.

1609512947045 is a deficient number, since it is larger than the sum of its proper divisors (322937102779).

1609512947045 is a wasteful number, since it uses less digits than its factorization.

1609512947045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172418899.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 1609512947045 in words is "one trillion, six hundred nine billion, five hundred twelve million, nine hundred forty-seven thousand, forty-five".