6424193386 has 16 divisors (see below), whose sum is σ = 10472754600. Its totient is φ = 2937809088.

The previous prime is 6424193383. The next prime is 6424193401. The reversal of 6424193386 is 6833914246.

It can be written as a sum of positive squares in 4 ways, for example, as 5877522225 + 546671161 = 76665^2 + 23381^2 .

It is a super-2 number, since 2×6424193386² = 82540521321452289992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6424193383) 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, 1130581 + ... + 1136248.

Almost surely, 2^6424193386 is an apocalyptic number.

6424193386 is a deficient number, since it is larger than the sum of its proper divisors (4048561214).

6424193386 is a wasteful number, since it uses less digits than its factorization.

6424193386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266953.

The product of its digits is 746496, while the sum is 46.

The square root of 6424193386 is about 80151.0660315881. The cubic root of 6424193386 is about 1858.9720864863.

The spelling of 6424193386 in words is "six billion, four hundred twenty-four million, one hundred ninety-three thousand, three hundred eighty-six".