6504137072 has 10 divisors (see below), whose sum is σ = 12601765608. Its totient is φ = 3252068528.

The previous prime is 6504137069. The next prime is 6504137077. The reversal of 6504137072 is 2707314056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6504137077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203254268 + ... + 203254299.

Almost surely, 2^6504137072 is an apocalyptic number.

It is an amenable number.

6504137072 is a deficient number, since it is larger than the sum of its proper divisors (6097628536).

6504137072 is a wasteful number, since it uses less digits than its factorization.

6504137072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406508575 (or 406508569 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 6504137072 is about 80648.2304331595. The cubic root of 6504137072 is about 1866.6514346263.

The spelling of 6504137072 in words is "six billion, five hundred four million, one hundred thirty-seven thousand, seventy-two".