506451533365247 has 2 divisors, whose sum is σ = 506451533365248. Its totient is φ = 506451533365246.

The previous prime is 506451533365121. The next prime is 506451533365339. The reversal of 506451533365247 is 742563335154605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506451533365247 - 2²² = 506451529170943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506451593365247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253225766682623 + 253225766682624.

It is an arithmetic number, because the mean of its divisors is an integer number (253225766682624).

Almost surely, 2^{506451533365247} is an apocalyptic number.

506451533365247 is a deficient number, since it is larger than the sum of its proper divisors (1).

506451533365247 is an equidigital number, since it uses as much as digits as its factorization.

506451533365247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080000, while the sum is 59.

The spelling of 506451533365247 in words is "five hundred six trillion, four hundred fifty-one billion, five hundred thirty-three million, three hundred sixty-five thousand, two hundred forty-seven".