6421622714 has 16 divisors (see below), whose sum is σ = 10731094920. Its totient is φ = 2861624640.

The previous prime is 6421622707. The next prime is 6421622719. The reversal of 6421622714 is 4172261246.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5601774025 + 819848689 = 74845^2 + 28633^2 .

It is not an unprimeable number, because it can be changed into a prime (6421622719) 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, 4257617 + ... + 4259124.

Almost surely, 2^6421622714 is an apocalyptic number.

6421622714 is a deficient number, since it is larger than the sum of its proper divisors (4309472206).

6421622714 is a wasteful number, since it uses less digits than its factorization.

6421622714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516785.

The product of its digits is 32256, while the sum is 35.

The square root of 6421622714 is about 80135.0280089799. The cubic root of 6421622714 is about 1858.7240945197.

The spelling of 6421622714 in words is "six billion, four hundred twenty-one million, six hundred twenty-two thousand, seven hundred fourteen".