6421696622 has 8 divisors (see below), whose sum is σ = 10508230872. Its totient is φ = 2918953000.

The previous prime is 6421696613. The next prime is 6421696639. The reversal of 6421696622 is 2266961246.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145947629 + ... + 145947672.

It is an arithmetic number, because the mean of its divisors is an integer number (1313528859).

Almost surely, 2^6421696622 is an apocalyptic number.

6421696622 is a deficient number, since it is larger than the sum of its proper divisors (4086534250).

6421696622 is a wasteful number, since it uses less digits than its factorization.

6421696622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291895314.

The product of its digits is 373248, while the sum is 44.

The square root of 6421696622 is about 80135.4891543067. The cubic root of 6421696622 is about 1858.7312253265.

The spelling of 6421696622 in words is "six billion, four hundred twenty-one million, six hundred ninety-six thousand, six hundred twenty-two".