6621433848393 has 256 divisors, whose sum is σ = 12484790599680. Its totient is φ = 3019830460416.

The previous prime is 6621433848373. The next prime is 6621433848433. The reversal of 6621433848393 is 3938483341266.

It is not a de Polignac number, because 6621433848393 - 2¹⁶ = 6621433782857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6621433848373) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 597435030 + ... + 597446112.

It is an arithmetic number, because the mean of its divisors is an integer number (48768713280).

Almost surely, 2^{6621433848393} is an apocalyptic number.

It is an amenable number.

6621433848393 is a deficient number, since it is larger than the sum of its proper divisors (5863356751287).

6621433848393 is a wasteful number, since it uses less digits than its factorization.

6621433848393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368.

The product of its digits is 53747712, while the sum is 60.

The spelling of 6621433848393 in words is "six trillion, six hundred twenty-one billion, four hundred thirty-three million, eight hundred forty-eight thousand, three hundred ninety-three".