6431252630 has 32 divisors (see below), whose sum is σ = 12632053248. Its totient is φ = 2338005600.

The previous prime is 6431252621. The next prime is 6431252647. The reversal of 6431252630 is 362521346.

It is a super-2 number, since 2×6431252630² = 82722020781763833800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646595 + ... + 656465.

It is an arithmetic number, because the mean of its divisors is an integer number (394751664).

Almost surely, 2^6431252630 is an apocalyptic number.

6431252630 is a deficient number, since it is larger than the sum of its proper divisors (6200800618).

6431252630 is a wasteful number, since it uses less digits than its factorization.

6431252630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15812.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 6431252630 is about 80195.0910592413. The cubic root of 6431252630 is about 1859.6527495654.

Adding to 6431252630 its reverse (362521346), we get a palindrome (6793773976).

The spelling of 6431252630 in words is "six billion, four hundred thirty-one million, two hundred fifty-two thousand, six hundred thirty".