2249991343 has 6 divisors (see below), whose sum is σ = 2374644984. Its totient is φ = 2131570404.

The previous prime is 2249991329. The next prime is 2249991347. The reversal of 2249991343 is 3431999422.

It is a happy number.

It is not a de Polignac number, because 2249991343 - 2²¹ = 2247894191 is a prime.

It is a super-2 number, since 2×2249991343² = 10124922087149887298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2249991293 and 2249991302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249991347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3115971 + ... + 3116692.

It is an arithmetic number, because the mean of its divisors is an integer number (395774164).

Almost surely, 2^2249991343 is an apocalyptic number.

2249991343 is a deficient number, since it is larger than the sum of its proper divisors (124653641).

2249991343 is an equidigital number, since it uses as much as digits as its factorization.

2249991343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232701 (or 6232682 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 2249991343 is about 47434.0736496456. The cubic root of 2249991343 is about 1310.3690165276.

The spelling of 2249991343 in words is "two billion, two hundred forty-nine million, nine hundred ninety-one thousand, three hundred forty-three".