2249860617 has 10 divisors (see below), whose sum is σ = 3360903018. Its totient is φ = 1499907024.

The previous prime is 2249860601. The next prime is 2249860649. The reversal of 2249860617 is 7160689422.

It is a happy number.

2249860617 is a `hidden beast` number, since 2 + 24 + 9 + 8 + 6 + 0 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1345715856 + 904144761 = 36684^2 + 30069^2 .

It is not a de Polignac number, because 2249860617 - 2⁴ = 2249860601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2249860817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13887948 + ... + 13888109.

Almost surely, 2^2249860617 is an apocalyptic number.

2249860617 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2249860617 is a deficient number, since it is larger than the sum of its proper divisors (1111042401).

2249860617 is an equidigital number, since it uses as much as digits as its factorization.

2249860617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27776069 (or 27776060 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2249860617 is about 47432.6956539474. The cubic root of 2249860617 is about 1310.3436382644.

The spelling of 2249860617 in words is "two billion, two hundred forty-nine million, eight hundred sixty thousand, six hundred seventeen".