6494562730 has 8 divisors (see below), whose sum is σ = 11690212932. Its totient is φ = 2597825088.

The previous prime is 6494562689. The next prime is 6494562757. The reversal of 6494562730 is 372654946.

It can be written as a sum of positive squares in 2 ways, for example, as 6493619889 + 942841 = 80583^2 + 971^2 .

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, 324728127 + ... + 324728146.

Almost surely, 2^6494562730 is an apocalyptic number.

6494562730 is a deficient number, since it is larger than the sum of its proper divisors (5195650202).

6494562730 is a wasteful number, since it uses less digits than its factorization.

6494562730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649456280.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 6494562730 is about 80588.8499111385. The cubic root of 6494562730 is about 1865.7350570645.

The spelling of 6494562730 in words is "six billion, four hundred ninety-four million, five hundred sixty-two thousand, seven hundred thirty".