495446190637 has 2 divisors, whose sum is σ = 495446190638. Its totient is φ = 495446190636.

The previous prime is 495446190601. The next prime is 495446190647. The reversal of 495446190637 is 736091644594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458140813321 + 37305377316 = 676861^2 + 193146^2 .

It is a cyclic number.

It is not a de Polignac number, because 495446190637 - 2³⁵ = 461086452269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495446190647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247723095318 + 247723095319.

It is an arithmetic number, because the mean of its divisors is an integer number (247723095319).

Almost surely, 2^495446190637 is an apocalyptic number.

It is an amenable number.

495446190637 is a deficient number, since it is larger than the sum of its proper divisors (1).

495446190637 is an equidigital number, since it uses as much as digits as its factorization.

495446190637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 495446190637 in words is "four hundred ninety-five billion, four hundred forty-six million, one hundred ninety thousand, six hundred thirty-seven".