6438602462 has 4 divisors (see below), whose sum is σ = 9657903696. Its totient is φ = 3219301230.

The previous prime is 6438602449. The next prime is 6438602477. The reversal of 6438602462 is 2642068346.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6438602462² = 82911203327344922888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609650614 + ... + 1609650617.

It is an arithmetic number, because the mean of its divisors is an integer number (2414475924).

Almost surely, 2^6438602462 is an apocalyptic number.

6438602462 is a deficient number, since it is larger than the sum of its proper divisors (3219301234).

6438602462 is a wasteful number, since it uses less digits than its factorization.

6438602462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219301233.

The product of its (nonzero) digits is 331776, while the sum is 41.

The square root of 6438602462 is about 80240.9026743842. The cubic root of 6438602462 is about 1860.3609025277.

The spelling of 6438602462 in words is "six billion, four hundred thirty-eight million, six hundred two thousand, four hundred sixty-two".