6445476152 has 16 divisors (see below), whose sum is σ = 12796166160. Its totient is φ = 3033165184.

The previous prime is 6445476133. The next prime is 6445476157. The reversal of 6445476152 is 2516745446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445476157) 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, 23696468 + ... + 23696739.

It is an arithmetic number, because the mean of its divisors is an integer number (799760385).

Almost surely, 2^6445476152 is an apocalyptic number.

It is an amenable number.

6445476152 is a deficient number, since it is larger than the sum of its proper divisors (6350690008).

6445476152 is a wasteful number, since it uses less digits than its factorization.

6445476152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47393230 (or 47393226 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 6445476152 is about 80283.7228334611. The cubic root of 6445476152 is about 1861.0226919119.

The spelling of 6445476152 in words is "six billion, four hundred forty-five million, four hundred seventy-six thousand, one hundred fifty-two".