620412424243 has 4 divisors (see below), whose sum is σ = 629672311240. Its totient is φ = 611152537248.

The previous prime is 620412424213. The next prime is 620412424249. The reversal of 620412424243 is 342424214026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620412424243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620412424199 and 620412424208.

It is not an unprimeable number, because it can be changed into a prime (620412424249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629943398 + ... + 4629943531.

It is an arithmetic number, because the mean of its divisors is an integer number (157418077810).

Almost surely, 2^620412424243 is an apocalyptic number.

620412424243 is a deficient number, since it is larger than the sum of its proper divisors (9259886997).

620412424243 is an equidigital number, since it uses as much as digits as its factorization.

620412424243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259886996.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 620412424243 its reverse (342424214026), we get a palindrome (962836638269).

The spelling of 620412424243 in words is "six hundred twenty billion, four hundred twelve million, four hundred twenty-four thousand, two hundred forty-three".