505546522373 has 2 divisors, whose sum is σ = 505546522374. Its totient is φ = 505546522372.

The previous prime is 505546522343. The next prime is 505546522457. The reversal of 505546522373 is 373225645505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365084225284 + 140462297089 = 604222^2 + 374783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505546522373 is a prime.

It is a super-2 number, since 2×505546522373² (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 (505546522333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252773261186 + 252773261187.

It is an arithmetic number, because the mean of its divisors is an integer number (252773261187).

Almost surely, 2^505546522373 is an apocalyptic number.

It is an amenable number.

505546522373 is a deficient number, since it is larger than the sum of its proper divisors (1).

505546522373 is an equidigital number, since it uses as much as digits as its factorization.

505546522373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780000, while the sum is 47.

The spelling of 505546522373 in words is "five hundred five billion, five hundred forty-six million, five hundred twenty-two thousand, three hundred seventy-three".