505212010643 has 2 divisors, whose sum is σ = 505212010644. Its totient is φ = 505212010642.

The previous prime is 505212010621. The next prime is 505212010669. The reversal of 505212010643 is 346010212505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505212010643 - 2⁶ = 505212010579 is a prime.

It is not a weakly prime, because it can be changed into another prime (505212010613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252606005321 + 252606005322.

It is an arithmetic number, because the mean of its divisors is an integer number (252606005322).

Almost surely, 2^505212010643 is an apocalyptic number.

505212010643 is a deficient number, since it is larger than the sum of its proper divisors (1).

505212010643 is an equidigital number, since it uses as much as digits as its factorization.

505212010643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 505212010643 in words is "five hundred five billion, two hundred twelve million, ten thousand, six hundred forty-three".