6456939606 has 48 divisors (see below), whose sum is σ = 15079047984. Its totient is φ = 1985055552.

The previous prime is 6456939589. The next prime is 6456939607. The reversal of 6456939606 is 6069396546.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456939607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278305 + ... + 300611.

It is an arithmetic number, because the mean of its divisors is an integer number (314146833).

Almost surely, 2^6456939606 is an apocalyptic number.

6456939606 is an abundant number, since it is smaller than the sum of its proper divisors (8622108378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6456939606 is a wasteful number, since it uses less digits than its factorization.

6456939606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23565 (or 23562 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The square root of 6456939606 is about 80355.0845062091. The cubic root of 6456939606 is about 1862.1253315748.

The spelling of 6456939606 in words is "six billion, four hundred fifty-six million, nine hundred thirty-nine thousand, six hundred six".