2897382469 has 4 divisors (see below), whose sum is σ = 2906639596. Its totient is φ = 2888125344.

The previous prime is 2897382461. The next prime is 2897382479. The reversal of 2897382469 is 9642837982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9642837982 = 2 ⋅4821418991.

It can be written as a sum of positive squares in 2 ways, for example, as 691953025 + 2205429444 = 26305^2 + 46962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897382469 - 2³ = 2897382461 is a prime.

It is a super-2 number, since 2×2897382469² = 16789650343337071922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897382461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628094 + ... + 4628719.

It is an arithmetic number, because the mean of its divisors is an integer number (726659899).

Almost surely, 2^2897382469 is an apocalyptic number.

It is an amenable number.

2897382469 is a deficient number, since it is larger than the sum of its proper divisors (9257127).

2897382469 is an equidigital number, since it uses as much as digits as its factorization.

2897382469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257126.

The product of its digits is 10450944, while the sum is 58.

The square root of 2897382469 is about 53827.3394196667. The cubic root of 2897382469 is about 1425.6139706190.

The spelling of 2897382469 in words is "two billion, eight hundred ninety-seven million, three hundred eighty-two thousand, four hundred sixty-nine".