621422686224126 has 32 divisors (see below), whose sum is σ = 1380951539251200. Its totient is φ = 207139059928440.

The previous prime is 621422686224121. The next prime is 621422686224149.

621422686224126 is a `hidden beast` number, since 6 + 2 + 1 + 4 + 2 + 2 + 6 + 8 + 622 + 4 + 1 + 2 + 6 = 666.

621422686224126 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×621422686224126³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621422686224121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44828190 + ... + 57029921.

It is an arithmetic number, because the mean of its divisors is an integer number (43154735601600).

Almost surely, 2^{621422686224126} is an apocalyptic number.

621422686224126 is an abundant number, since it is smaller than the sum of its proper divisors (759528853027074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

621422686224126 is a wasteful number, since it uses less digits than its factorization.

621422686224126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101971101 (or 101971095 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 54.

The spelling of 621422686224126 in words is "six hundred twenty-one trillion, four hundred twenty-two billion, six hundred eighty-six million, two hundred twenty-four thousand, one hundred twenty-six".