505426491319 has 2 divisors, whose sum is σ = 505426491320. Its totient is φ = 505426491318.

The previous prime is 505426491313. The next prime is 505426491403. The reversal of 505426491319 is 913194624505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505426491319 - 2¹⁹ = 505425967031 is a prime.

It is a super-2 number, since 2×505426491319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505426491313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252713245659 + 252713245660.

It is an arithmetic number, because the mean of its divisors is an integer number (252713245660).

Almost surely, 2^505426491319 is an apocalyptic number.

505426491319 is a deficient number, since it is larger than the sum of its proper divisors (1).

505426491319 is an equidigital number, since it uses as much as digits as its factorization.

505426491319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 505426491319 in words is "five hundred five billion, four hundred twenty-six million, four hundred ninety-one thousand, three hundred nineteen".