621233614243 has 64 divisors (see below), whose sum is σ = 775634227200. Its totient is φ = 490235074560.

The previous prime is 621233614223. The next prime is 621233614283. The reversal of 621233614243 is 342416332126.

It is a de Polignac number, because none of the positive numbers 2^k-621233614243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621233614223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106390918 + ... + 106396756.

It is an arithmetic number, because the mean of its divisors is an integer number (12119284800).

Almost surely, 2^621233614243 is an apocalyptic number.

621233614243 is a deficient number, since it is larger than the sum of its proper divisors (154400612957).

621233614243 is a wasteful number, since it uses less digits than its factorization.

621233614243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772.

The product of its digits is 124416, while the sum is 37.

Adding to 621233614243 its reverse (342416332126), we get a palindrome (963649946369).

The spelling of 621233614243 in words is "six hundred twenty-one billion, two hundred thirty-three million, six hundred fourteen thousand, two hundred forty-three".