1609098669 has 32 divisors (see below), whose sum is σ = 2526249600. Its totient is φ = 1010459520.

The previous prime is 1609098613. The next prime is 1609098683. The reversal of 1609098669 is 9668909061.

It is not a de Polignac number, because 1609098669 - 2⁷ = 1609098541 is a prime.

It is a super-2 number, since 2×1609098669² = 5178397053155143122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609098269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7042 + ... + 57164.

It is an arithmetic number, because the mean of its divisors is an integer number (78945300).

Almost surely, 2^1609098669 is an apocalyptic number.

It is an amenable number.

1609098669 is a deficient number, since it is larger than the sum of its proper divisors (917150931).

1609098669 is a wasteful number, since it uses less digits than its factorization.

1609098669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50202 (or 50196 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 1609098669 is about 40113.5721296421. The cubic root of 1609098669 is about 1171.8199617543.

The spelling of 1609098669 in words is "one billion, six hundred nine million, ninety-eight thousand, six hundred sixty-nine".