6395994470 has 32 divisors (see below), whose sum is σ = 11582307936. Its totient is φ = 2542982400.

The previous prime is 6395994461. The next prime is 6395994487. The reversal of 6395994470 is 744995936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237282 + ... + 2240138.

It is an arithmetic number, because the mean of its divisors is an integer number (361947123).

Almost surely, 2^6395994470 is an apocalyptic number.

6395994470 is a deficient number, since it is larger than the sum of its proper divisors (5186313466).

6395994470 is a wasteful number, since it uses less digits than its factorization.

6395994470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The square root of 6395994470 is about 79974.9615192155. The cubic root of 6395994470 is about 1856.2481187917.

The spelling of 6395994470 in words is "six billion, three hundred ninety-five million, nine hundred ninety-four thousand, four hundred seventy".