6749439341 has 4 divisors (see below), whose sum is σ = 6750195900. Its totient is φ = 6748682784.

The previous prime is 6749439337. The next prime is 6749439373. The reversal of 6749439341 is 1439349476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5380809316 + 1368630025 = 73354^2 + 36995^2 .

It is a cyclic number.

It is not a de Polignac number, because 6749439341 - 2² = 6749439337 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 6749439341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749459341) 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, 364736 + ... + 382793.

It is an arithmetic number, because the mean of its divisors is an integer number (1687548975).

Almost surely, 2^6749439341 is an apocalyptic number.

It is an amenable number.

6749439341 is a deficient number, since it is larger than the sum of its proper divisors (756559).

6749439341 is an equidigital number, since it uses as much as digits as its factorization.

6749439341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756558.

The product of its digits is 1959552, while the sum is 50.

The square root of 6749439341 is about 82154.9714929048. The cubic root of 6749439341 is about 1889.8292484990.

The spelling of 6749439341 in words is "six billion, seven hundred forty-nine million, four hundred thirty-nine thousand, three hundred forty-one".