506469647 has 2 divisors, whose sum is σ = 506469648. Its totient is φ = 506469646.

The previous prime is 506469619. The next prime is 506469709. The reversal of 506469647 is 746964605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506469647 - 2⁶ = 506469583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506469617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253234823 + 253234824.

It is an arithmetic number, because the mean of its divisors is an integer number (253234824).

Almost surely, 2^506469647 is an apocalyptic number.

506469647 is a deficient number, since it is larger than the sum of its proper divisors (1).

506469647 is an equidigital number, since it uses as much as digits as its factorization.

506469647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 506469647 is about 22504.8805151238. The cubic root of 506469647 is about 797.1091743034.

The spelling of 506469647 in words is "five hundred six million, four hundred sixty-nine thousand, six hundred forty-seven".