6469009646 has 8 divisors (see below), whose sum is σ = 10585652184. Its totient is φ = 2940458920.

The previous prime is 6469009627. The next prime is 6469009669.

It is a happy number.

6469009646 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 6469009594 and 6469009603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147022925 + ... + 147022968.

It is an arithmetic number, because the mean of its divisors is an integer number (1323206523).

Almost surely, 2^6469009646 is an apocalyptic number.

6469009646 is a deficient number, since it is larger than the sum of its proper divisors (4116642538).

6469009646 is a wasteful number, since it uses less digits than its factorization.

6469009646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294045906.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 6469009646 is about 80430.1538354864. The cubic root of 6469009646 is about 1863.2849075911.

The spelling of 6469009646 in words is "six billion, four hundred sixty-nine million, nine thousand, six hundred forty-six".