6512659450 has 48 divisors (see below), whose sum is σ = 13910315040. Its totient is φ = 2243592000.

The previous prime is 6512659429. The next prime is 6512659453. The reversal of 6512659450 is 549562156.

It is a super-2 number, since 2×6512659450² = 84829466223348605000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6512659397 and 6512659406.

It is not an unprimeable number, because it can be changed into a prime (6512659453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301161 + ... + 322060.

It is an arithmetic number, because the mean of its divisors is an integer number (289798230).

Almost surely, 2^6512659450 is an apocalyptic number.

6512659450 is an abundant number, since it is smaller than the sum of its proper divisors (7397655590).

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

6512659450 is a wasteful number, since it uses less digits than its factorization.

6512659450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623263 (or 623258 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 6512659450 is about 80701.0498692551. The cubic root of 6512659450 is about 1867.4663706059.

The spelling of 6512659450 in words is "six billion, five hundred twelve million, six hundred fifty-nine thousand, four hundred fifty".