2653867849 has 8 divisors (see below), whose sum is σ = 2700090720. Its totient is φ = 2607686496.

The previous prime is 2653867847. The next prime is 2653867859. The reversal of 2653867849 is 9487683562.

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

It is a cyclic number.

It is not a de Polignac number, because 2653867849 - 2¹ = 2653867847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2653867793 and 2653867802.

It is not an unprimeable number, because it can be changed into a prime (2653867847) 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, 136437 + ... + 154669.

It is an arithmetic number, because the mean of its divisors is an integer number (337511340).

Almost surely, 2^2653867849 is an apocalyptic number.

It is an amenable number.

2653867849 is a deficient number, since it is larger than the sum of its proper divisors (46222871).

2653867849 is a wasteful number, since it uses less digits than its factorization.

2653867849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20759.

The product of its digits is 17418240, while the sum is 58.

The square root of 2653867849 is about 51515.7048772508. The cubic root of 2653867849 is about 1384.5004387210.

The spelling of 2653867849 in words is "two billion, six hundred fifty-three million, eight hundred sixty-seven thousand, eight hundred forty-nine".