505654675291 has 2 divisors, whose sum is σ = 505654675292. Its totient is φ = 505654675290.

The previous prime is 505654675109. The next prime is 505654675319. The reversal of 505654675291 is 192576456505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505654675291 - 2⁹ = 505654674779 is a prime.

It is not a weakly prime, because it can be changed into another prime (505654672291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252827337645 + 252827337646.

It is an arithmetic number, because the mean of its divisors is an integer number (252827337646).

Almost surely, 2^505654675291 is an apocalyptic number.

505654675291 is a deficient number, since it is larger than the sum of its proper divisors (1).

505654675291 is an equidigital number, since it uses as much as digits as its factorization.

505654675291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340000, while the sum is 55.

The spelling of 505654675291 in words is "five hundred five billion, six hundred fifty-four million, six hundred seventy-five thousand, two hundred ninety-one".