6450870530 has 32 divisors (see below), whose sum is σ = 12544794864. Its totient is φ = 2374235136.

The previous prime is 6450870529. The next prime is 6450870571. The reversal of 6450870530 is 350780546.

It can be written as a sum of positive squares in 8 ways, for example, as 317944561 + 6132925969 = 17831^2 + 78313^2 .

It is a super-2 number, since 2×6450870530² = 83227461189644961800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38579 + ... + 119958.

Almost surely, 2^6450870530 is an apocalyptic number.

6450870530 is a deficient number, since it is larger than the sum of its proper divisors (6093924334).

6450870530 is a wasteful number, since it uses less digits than its factorization.

6450870530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158870.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 6450870530 is about 80317.3115212406. The cubic root of 6450870530 is about 1861.5417257420.

The spelling of 6450870530 in words is "six billion, four hundred fifty million, eight hundred seventy thousand, five hundred thirty".