6451028330 has 8 divisors (see below), whose sum is σ = 11611851012. Its totient is φ = 2580411328.

The previous prime is 6451028303. The next prime is 6451028377. The reversal of 6451028330 is 338201546.

It can be written as a sum of positive squares in 2 ways, for example, as 6034337761 + 416690569 = 77681^2 + 20413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322551407 + ... + 322551426.

Almost surely, 2^6451028330 is an apocalyptic number.

6451028330 is a deficient number, since it is larger than the sum of its proper divisors (5160822682).

6451028330 is a wasteful number, since it uses less digits than its factorization.

6451028330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645102840.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6451028330 is about 80318.2938688317. The cubic root of 6451028330 is about 1861.5569045146.

Adding to 6451028330 its reverse (338201546), we get a palindrome (6789229876).

The spelling of 6451028330 in words is "six billion, four hundred fifty-one million, twenty-eight thousand, three hundred thirty".