3609020403 has 24 divisors (see below), whose sum is σ = 5384203136. Its totient is φ = 2327097600.

The previous prime is 3609020369. The next prime is 3609020489. The reversal of 3609020403 is 3040209063.

It is not a de Polignac number, because 3609020403 - 2⁶ = 3609020339 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3609020003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 895533 + ... + 899553.

Almost surely, 2^3609020403 is an apocalyptic number.

3609020403 is a deficient number, since it is larger than the sum of its proper divisors (1775182733).

3609020403 is a wasteful number, since it uses less digits than its factorization.

3609020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275 (or 7272 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3609020403 is about 60075.1229961288. The cubic root of 3609020403 is about 1533.8978748830.

Adding to 3609020403 its reverse (3040209063), we get a palindrome (6649229466).

The spelling of 3609020403 in words is "three billion, six hundred nine million, twenty thousand, four hundred three".