6749568029 has 4 divisors (see below), whose sum is σ = 6753542400. Its totient is φ = 6745593660.

The previous prime is 6749568013. The next prime is 6749568047. The reversal of 6749568029 is 9208659476.

It is a happy number.

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 6749568029 - 2⁴ = 6749568013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749568079) 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, 1984637 + ... + 1988034.

It is an arithmetic number, because the mean of its divisors is an integer number (1688385600).

Almost surely, 2^6749568029 is an apocalyptic number.

It is an amenable number.

6749568029 is a deficient number, since it is larger than the sum of its proper divisors (3974371).

6749568029 is a wasteful number, since it uses less digits than its factorization.

6749568029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974370.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 6749568029 is about 82155.7546919265. The cubic root of 6749568029 is about 1889.8412592152.

The spelling of 6749568029 in words is "six billion, seven hundred forty-nine million, five hundred sixty-eight thousand, twenty-nine".