506644451343143 has 2 divisors, whose sum is σ = 506644451343144. Its totient is φ = 506644451343142.

The previous prime is 506644451343101. The next prime is 506644451343257. The reversal of 506644451343143 is 341343154446605.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506644451343143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506644451348143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253322225671571 + 253322225671572.

It is an arithmetic number, because the mean of its divisors is an integer number (253322225671572).

Almost surely, 2^{506644451343143} is an apocalyptic number.

506644451343143 is a deficient number, since it is larger than the sum of its proper divisors (1).

506644451343143 is an equidigital number, since it uses as much as digits as its factorization.

506644451343143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24883200, while the sum is 53.

The spelling of 506644451343143 in words is "five hundred six trillion, six hundred forty-four billion, four hundred fifty-one million, three hundred forty-three thousand, one hundred forty-three".