505573461373 has 4 divisors (see below), whose sum is σ = 506566729980. Its totient is φ = 504580192768.

The previous prime is 505573461359. The next prime is 505573461397. The reversal of 505573461373 is 373164375505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186730287129 + 318843174244 = 432123^2 + 564662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505573461373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505573471373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496633540 + ... + 496634557.

It is an arithmetic number, because the mean of its divisors is an integer number (126641682495).

Almost surely, 2^505573461373 is an apocalyptic number.

It is an amenable number.

505573461373 is a deficient number, since it is larger than the sum of its proper divisors (993268607).

505573461373 is an equidigital number, since it uses as much as digits as its factorization.

505573461373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993268606.

The product of its (nonzero) digits is 3969000, while the sum is 49.

The spelling of 505573461373 in words is "five hundred five billion, five hundred seventy-three million, four hundred sixty-one thousand, three hundred seventy-three".