2672644849 has 4 divisors (see below), whose sum is σ = 3054451264. Its totient is φ = 2290838436.

The previous prime is 2672644847. The next prime is 2672644859. The reversal of 2672644849 is 9484462762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2672644849 - 2¹ = 2672644847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2672644796 and 2672644805.

It is not an unprimeable number, because it can be changed into a prime (2672644841) 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, 190903197 + ... + 190903210.

It is an arithmetic number, because the mean of its divisors is an integer number (763612816).

Almost surely, 2^2672644849 is an apocalyptic number.

It is an amenable number.

2672644849 is a deficient number, since it is larger than the sum of its proper divisors (381806415).

2672644849 is an equidigital number, since it uses as much as digits as its factorization.

2672644849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381806414.

The product of its digits is 4644864, while the sum is 52.

The square root of 2672644849 is about 51697.6290462145. The cubic root of 2672644849 is about 1387.7580353256.

The spelling of 2672644849 in words is "two billion, six hundred seventy-two million, six hundred forty-four thousand, eight hundred forty-nine".