505078423319 has 2 divisors, whose sum is σ = 505078423320. Its totient is φ = 505078423318.

The previous prime is 505078423231. The next prime is 505078423331. The reversal of 505078423319 is 913324870505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505078423319 - 2¹⁶ = 505078357783 is a prime.

It is a super-2 number, since 2×505078423319² (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 (505078423349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252539211659 + 252539211660.

It is an arithmetic number, because the mean of its divisors is an integer number (252539211660).

Almost surely, 2^505078423319 is an apocalyptic number.

505078423319 is a deficient number, since it is larger than the sum of its proper divisors (1).

505078423319 is an equidigital number, since it uses as much as digits as its factorization.

505078423319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 505078423319 in words is "five hundred five billion, seventy-eight million, four hundred twenty-three thousand, three hundred nineteen".