2249601866 has 8 divisors (see below), whose sum is σ = 3380856384. Its totient is φ = 1122649740.

The previous prime is 2249601863. The next prime is 2249601869. The reversal of 2249601866 is 6681069422.

It is an interprime number because it is at equal distance from previous prime (2249601863) and next prime (2249601869).

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

It is not an unprimeable number, because it can be changed into a prime (2249601863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074290 + ... + 1076381.

It is an arithmetic number, because the mean of its divisors is an integer number (422607048).

Almost surely, 2^2249601866 is an apocalyptic number.

2249601866 is a deficient number, since it is larger than the sum of its proper divisors (1131254518).

2249601866 is a wasteful number, since it uses less digits than its factorization.

2249601866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151196.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2249601866 is about 47429.9680160128. The cubic root of 2249601866 is about 1310.2934031931.

The spelling of 2249601866 in words is "two billion, two hundred forty-nine million, six hundred one thousand, eight hundred sixty-six".