2001797469 has 20 divisors (see below), whose sum is σ = 3417531744. Its totient is φ = 1143883944.

The previous prime is 2001797453. The next prime is 2001797509. The reversal of 2001797469 is 9647971002.

It is not a de Polignac number, because 2001797469 - 2⁴ = 2001797453 is a prime.

It is a super-2 number, since 2×2001797469² = 8014386213789611922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001797449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1764687 + ... + 1765820.

Almost surely, 2^2001797469 is an apocalyptic number.

It is an amenable number.

2001797469 is a deficient number, since it is larger than the sum of its proper divisors (1415734275).

2001797469 is an equidigital number, since it uses as much as digits as its factorization.

2001797469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530526 (or 3530517 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 2001797469 is about 44741.4513510682. The cubic root of 2001797469 is about 1260.2983817153.

The spelling of 2001797469 in words is "two billion, one million, seven hundred ninety-seven thousand, four hundred sixty-nine".