2249658769 has 8 divisors (see below), whose sum is σ = 2265949800. Its totient is φ = 2233383936.

The previous prime is 2249658751. The next prime is 2249658791. The reversal of 2249658769 is 9678569422.

It can be written as a sum of positive squares in 4 ways, for example, as 888934225 + 1360724544 = 29815^2 + 36888^2 .

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 2249658769 - 2⁵ = 2249658737 is a prime.

It is a super-2 number, since 2×2249658769² = 10121929153877190722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249658469) 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, 465007 + ... + 469819.

It is an arithmetic number, because the mean of its divisors is an integer number (283243725).

Almost surely, 2^2249658769 is an apocalyptic number.

It is an amenable number.

2249658769 is a deficient number, since it is larger than the sum of its proper divisors (16291031).

2249658769 is a wasteful number, since it uses less digits than its factorization.

2249658769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8099.

The product of its digits is 13063680, while the sum is 58.

The square root of 2249658769 is about 47430.5678755800. The cubic root of 2249658769 is about 1310.3044509253.

The spelling of 2249658769 in words is "two billion, two hundred forty-nine million, six hundred fifty-eight thousand, seven hundred sixty-nine".