2149344343 has 2 divisors, whose sum is σ = 2149344344. Its totient is φ = 2149344342.

The previous prime is 2149344283. The next prime is 2149344349. The reversal of 2149344343 is 3434439412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2149344343 - 2¹³ = 2149336151 is a prime.

It is a super-2 number, since 2×2149344343² = 9239362209572203298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2149344349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074672171 + 1074672172.

It is an arithmetic number, because the mean of its divisors is an integer number (1074672172).

Almost surely, 2^2149344343 is an apocalyptic number.

2149344343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149344343 is an equidigital number, since it uses as much as digits as its factorization.

2149344343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The square root of 2149344343 is about 46361.0218071172. The cubic root of 2149344343 is about 1290.5316685518.

The spelling of 2149344343 in words is "two billion, one hundred forty-nine million, three hundred forty-four thousand, three hundred forty-three".