6421622434011 has 24 divisors (see below), whose sum is σ = 9317615763456. Its totient is φ = 4261726620720.

The previous prime is 6421622433983. The next prime is 6421622434013. The reversal of 6421622434011 is 1104342261246.

6421622434011 is a `hidden beast` number, since 6 + 4 + 2 + 1 + 6 + 2 + 243 + 401 + 1 = 666.

It is not a de Polignac number, because 6421622434011 - 2¹¹ = 6421622431963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6421622434013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84422566 + ... + 84498596.

It is an arithmetic number, because the mean of its divisors is an integer number (388233990144).

Almost surely, 2^{6421622434011} is an apocalyptic number.

6421622434011 is a deficient number, since it is larger than the sum of its proper divisors (2895993329445).

6421622434011 is a wasteful number, since it uses less digits than its factorization.

6421622434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118343 (or 118340 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 6421622434011 its reverse (1104342261246), we get a palindrome (7525964695257).

The spelling of 6421622434011 in words is "six trillion, four hundred twenty-one billion, six hundred twenty-two million, four hundred thirty-four thousand, eleven".