1693075609 has 9 divisors (see below), whose sum is σ = 1770877983. Its totient is φ = 1618558392.

The previous prime is 1693075591. The next prime is 1693075661. The reversal of 1693075609 is 9065703961.

The square root of 1693075609 is 41147.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1599760009 + 93315600 = 39997^2 + 9660^2 .

It is not a de Polignac number, because 1693075609 - 2¹⁷ = 1692944537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1693075669) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 945487 + ... + 947275.

Almost surely, 2^1693075609 is an apocalyptic number.

1693075609 is the 41147-th square number.

1693075609 is the 20574-th centered octagonal number.

It is an amenable number.

1693075609 is a deficient number, since it is larger than the sum of its proper divisors (77802374).

1693075609 is an frugal number, since it uses more digits than its factorization.

1693075609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624 (or 1812 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The cubic root of 1693075609 is about 1191.8605664063.

The spelling of 1693075609 in words is "one billion, six hundred ninety-three million, seventy-five thousand, six hundred nine".