6428669101 has 8 divisors (see below), whose sum is σ = 6523068600. Its totient is φ = 6334927872.

The previous prime is 6428669077. The next prime is 6428669111. The reversal of 6428669101 is 1019668246.

It can be written as a sum of positive squares in 4 ways, for example, as 781146601 + 5647522500 = 27949^2 + 75150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6428669101 - 2⁵ = 6428669069 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 (6428669111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144876 + ... + 183973.

It is an arithmetic number, because the mean of its divisors is an integer number (815383575).

Almost surely, 2^6428669101 is an apocalyptic number.

It is an amenable number.

6428669101 is a deficient number, since it is larger than the sum of its proper divisors (94399499).

6428669101 is a wasteful number, since it uses less digits than its factorization.

6428669101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329135.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 6428669101 is about 80178.9816660202. The cubic root of 6428669101 is about 1859.4036995710.

The spelling of 6428669101 in words is "six billion, four hundred twenty-eight million, six hundred sixty-nine thousand, one hundred one".