6424638970 has 8 divisors (see below), whose sum is σ = 11564350164. Its totient is φ = 2569855584.

The previous prime is 6424638949. The next prime is 6424638971. The reversal of 6424638970 is 798364246.

It can be written as a sum of positive squares in 2 ways, for example, as 6409123249 + 15515721 = 80057^2 + 3939^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6424638971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321231939 + ... + 321231958.

Almost surely, 2^6424638970 is an apocalyptic number.

6424638970 is a deficient number, since it is larger than the sum of its proper divisors (5139711194).

6424638970 is a wasteful number, since it uses less digits than its factorization.

6424638970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642463904.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The square root of 6424638970 is about 80153.8456345046. The cubic root of 6424638970 is about 1859.0150651150.

The spelling of 6424638970 in words is "six billion, four hundred twenty-four million, six hundred thirty-eight thousand, nine hundred seventy".