2897657923769 has 8 divisors (see below), whose sum is σ = 3311623459200. Its totient is φ = 2483695989216.

The previous prime is 2897657923757. The next prime is 2897657923789. The reversal of 2897657923769 is 9673297567982.

2897657923769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2897657923769 is a prime.

It is a super-2 number, since 2×2897657923769² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2897657923693 and 2897657923702.

It is not an unprimeable number, because it can be changed into a prime (2897657923729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129157 + ... + 2659005.

It is an arithmetic number, because the mean of its divisors is an integer number (413952932400).

Almost surely, 2^{2897657923769} is an apocalyptic number.

It is an amenable number.

2897657923769 is a deficient number, since it is larger than the sum of its proper divisors (413965535431).

2897657923769 is a wasteful number, since it uses less digits than its factorization.

2897657923769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800439.

The product of its digits is 4320812160, while the sum is 80.

The spelling of 2897657923769 in words is "two trillion, eight hundred ninety-seven billion, six hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred sixty-nine".