6495157930 has 16 divisors (see below), whose sum is σ = 11701846440. Its totient is φ = 2595716032.

The previous prime is 6495157919. The next prime is 6495157937. The reversal of 6495157930 is 397515946.

It can be written as a sum of positive squares in 4 ways, for example, as 4592366289 + 1902791641 = 67767^2 + 43621^2 .

It is not an unprimeable number, because it can be changed into a prime (6495157937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281749 + ... + 303928.

Almost surely, 2^6495157930 is an apocalyptic number.

6495157930 is a deficient number, since it is larger than the sum of its proper divisors (5206688510).

6495157930 is a wasteful number, since it uses less digits than its factorization.

6495157930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586793.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 6495157930 is about 80592.5426450860. The cubic root of 6495157930 is about 1865.7920509752.

The spelling of 6495157930 in words is "six billion, four hundred ninety-five million, one hundred fifty-seven thousand, nine hundred thirty".