6507457064 has 32 divisors (see below), whose sum is σ = 13131023400. Its totient is φ = 3012126720.

The previous prime is 6507457063. The next prime is 6507457123. The reversal of 6507457064 is 4607547056.

It can be written as a sum of positive squares in 4 ways, for example, as 5823216100 + 684240964 = 76310^2 + 26158^2 .

It is not an unprimeable number, because it can be changed into a prime (6507457063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383909 + ... + 400500.

Almost surely, 2^6507457064 is an apocalyptic number.

It is an amenable number.

6507457064 is an abundant number, since it is smaller than the sum of its proper divisors (6623566336).

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

6507457064 is a wasteful number, since it uses less digits than its factorization.

6507457064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784493 (or 784489 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 6507457064 is about 80668.8109742545. The cubic root of 6507457064 is about 1866.9689870604.

The spelling of 6507457064 in words is "six billion, five hundred seven million, four hundred fifty-seven thousand, sixty-four".