2249646671 has 8 divisors (see below), whose sum is σ = 2311134000. Its totient is φ = 2188474560.

The previous prime is 2249646661. The next prime is 2249646677. The reversal of 2249646671 is 1766469422.

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 2249646671 - 2¹⁴ = 2249630287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249646677) 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, 64301 + ... + 92918.

It is an arithmetic number, because the mean of its divisors is an integer number (288891750).

Almost surely, 2^2249646671 is an apocalyptic number.

2249646671 is a deficient number, since it is larger than the sum of its proper divisors (61487329).

2249646671 is a wasteful number, since it uses less digits than its factorization.

2249646671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157609.

The product of its digits is 870912, while the sum is 47.

The square root of 2249646671 is about 47430.4403416203. The cubic root of 2249646671 is about 1310.3021021110.

The spelling of 2249646671 in words is "two billion, two hundred forty-nine million, six hundred forty-six thousand, six hundred seventy-one".