505351514152447 has 2 divisors, whose sum is σ = 505351514152448. Its totient is φ = 505351514152446.

The previous prime is 505351514152367. The next prime is 505351514152477. The reversal of 505351514152447 is 744251415153505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505351514152447 - 2¹⁵ = 505351514119679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505351514152394 and 505351514152403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505351514152477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252675757076223 + 252675757076224.

It is an arithmetic number, because the mean of its divisors is an integer number (252675757076224).

Almost surely, 2^{505351514152447} is an apocalyptic number.

505351514152447 is a deficient number, since it is larger than the sum of its proper divisors (1).

505351514152447 is an equidigital number, since it uses as much as digits as its factorization.

505351514152447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400000, while the sum is 52.

The spelling of 505351514152447 in words is "five hundred five trillion, three hundred fifty-one billion, five hundred fourteen million, one hundred fifty-two thousand, four hundred forty-seven".