2249436771 has 16 divisors (see below), whose sum is σ = 3507894400. Its totient is φ = 1420696584.

The previous prime is 2249436743. The next prime is 2249436851. The reversal of 2249436771 is 1776349422.

It is not a de Polignac number, because 2249436771 - 2¹⁴ = 2249420387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249636771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2191921 + ... + 2192946.

It is an arithmetic number, because the mean of its divisors is an integer number (219243400).

Almost surely, 2^2249436771 is an apocalyptic number.

2249436771 is a deficient number, since it is larger than the sum of its proper divisors (1258457629).

2249436771 is a wasteful number, since it uses less digits than its factorization.

2249436771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384895 (or 4384889 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 2249436771 is about 47428.2275759911. The cubic root of 2249436771 is about 1310.2613489017.

The spelling of 2249436771 in words is "two billion, two hundred forty-nine million, four hundred thirty-six thousand, seven hundred seventy-one".