506194901473 has 2 divisors, whose sum is σ = 506194901474. Its totient is φ = 506194901472.

The previous prime is 506194901431. The next prime is 506194901533. The reversal of 506194901473 is 374109491605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477879098944 + 28315802529 = 691288^2 + 168273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506194901473 is a prime.

It is not a weakly prime, because it can be changed into another prime (506194901573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253097450736 + 253097450737.

It is an arithmetic number, because the mean of its divisors is an integer number (253097450737).

Almost surely, 2^506194901473 is an apocalyptic number.

It is an amenable number.

506194901473 is a deficient number, since it is larger than the sum of its proper divisors (1).

506194901473 is an equidigital number, since it uses as much as digits as its factorization.

506194901473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 506194901473 in words is "five hundred six billion, one hundred ninety-four million, nine hundred one thousand, four hundred seventy-three".