6459659250 has 256 divisors, whose sum is σ = 18697236480. Its totient is φ = 1469952000.

The previous prime is 6459659243. The next prime is 6459659299. The reversal of 6459659250 is 529569546.

It is a happy number.

It is a super-2 number, since 2×6459659250² = 83454395252221125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6459659193 and 6459659202.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11194962 + ... + 11195538.

It is an arithmetic number, because the mean of its divisors is an integer number (73036080).

Almost surely, 2^6459659250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6459659250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9348618240).

6459659250 is an abundant number, since it is smaller than the sum of its proper divisors (12237577230).

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

6459659250 is a wasteful number, since it uses less digits than its factorization.

6459659250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 51.

The square root of 6459659250 is about 80372.0053874482. The cubic root of 6459659250 is about 1862.3867354511.

The spelling of 6459659250 in words is "six billion, four hundred fifty-nine million, six hundred fifty-nine thousand, two hundred fifty".