4143997349 has 4 divisors (see below), whose sum is σ = 4144584000. Its totient is φ = 4143410700.

The previous prime is 4143997327. The next prime is 4143997381. The reversal of 4143997349 is 9437993414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4143997349 - 2⁸ = 4143997093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4143997349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143997049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282599 + ... + 296900.

It is an arithmetic number, because the mean of its divisors is an integer number (1036146000).

Almost surely, 2^4143997349 is an apocalyptic number.

It is an amenable number.

4143997349 is a deficient number, since it is larger than the sum of its proper divisors (586651).

4143997349 is an equidigital number, since it uses as much as digits as its factorization.

4143997349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586650.

The product of its digits is 2939328, while the sum is 53.

The square root of 4143997349 is about 64373.8871670804. The cubic root of 4143997349 is about 1606.2254011403.

The spelling of 4143997349 in words is "four billion, one hundred forty-three million, nine hundred ninety-seven thousand, three hundred forty-nine".