2249934869 has 24 divisors (see below), whose sum is σ = 2868028800. Its totient is φ = 1718724672.

The previous prime is 2249934857. The next prime is 2249934871. The reversal of 2249934869 is 9684399422.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2249934869 is a prime.

It is a super-2 number, since 2×2249934869² = 10124413829484094322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249934899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61832 + ... + 91230.

It is an arithmetic number, because the mean of its divisors is an integer number (119501200).

Almost surely, 2^2249934869 is an apocalyptic number.

2249934869 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2249934869 is a deficient number, since it is larger than the sum of its proper divisors (618093931).

2249934869 is a wasteful number, since it uses less digits than its factorization.

2249934869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29477 (or 29448 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The square root of 2249934869 is about 47433.4783565363. The cubic root of 2249934869 is about 1310.3580531671.

The spelling of 2249934869 in words is "two billion, two hundred forty-nine million, nine hundred thirty-four thousand, eight hundred sixty-nine".