6512890904 has 48 divisors (see below), whose sum is σ = 13242253320. Its totient is φ = 3001639680.

The previous prime is 6512890831. The next prime is 6512890907. The reversal of 6512890904 is 4090982156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512890907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060964 + ... + 1067084.

Almost surely, 2^6512890904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6512890904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6621126660).

6512890904 is an abundant number, since it is smaller than the sum of its proper divisors (6729362416).

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

6512890904 is a wasteful number, since it uses less digits than its factorization.

6512890904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940 (or 6923 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 6512890904 is about 80702.4838775115. The cubic root of 6512890904 is about 1867.4884930299.

The spelling of 6512890904 in words is "six billion, five hundred twelve million, eight hundred ninety thousand, nine hundred four".