1003693689 has 12 divisors (see below), whose sum is σ = 1457791972. Its totient is φ = 665431200.

The previous prime is 1003693687. The next prime is 1003693693. The reversal of 1003693689 is 9863963001.

It can be written as a sum of positive squares in 2 ways, for example, as 9363600 + 994330089 = 3060^2 + 31533^2 .

It is not a de Polignac number, because 1003693689 - 2¹ = 1003693687 is a prime.

It is a super-3 number, since 3×1003693689³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003693681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306442 + ... + 309699.

Almost surely, 2^1003693689 is an apocalyptic number.

It is an amenable number.

1003693689 is a deficient number, since it is larger than the sum of its proper divisors (454098283).

1003693689 is a wasteful number, since it uses less digits than its factorization.

1003693689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616328 (or 616325 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1003693689 is about 31681.1251220660. The cubic root of 1003693689 is about 1001.2297168433.

The spelling of 1003693689 in words is "one billion, three million, six hundred ninety-three thousand, six hundred eighty-nine".