495602273381 has 2 divisors, whose sum is σ = 495602273382. Its totient is φ = 495602273380.

The previous prime is 495602273377. The next prime is 495602273437. The reversal of 495602273381 is 183372206594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485901008356 + 9701265025 = 697066^2 + 98495^2 .

It is a cyclic number.

It is not a de Polignac number, because 495602273381 - 2² = 495602273377 is a prime.

It is a super-2 number, since 2×495602273381² (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 (495602273581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247801136690 + 247801136691.

It is an arithmetic number, because the mean of its divisors is an integer number (247801136691).

It is a 1-persistent number, because it is pandigital, but 2⋅495602273381 = 991204546762 is not.

Almost surely, 2^495602273381 is an apocalyptic number.

It is an amenable number.

495602273381 is a deficient number, since it is larger than the sum of its proper divisors (1).

495602273381 is an equidigital number, since it uses as much as digits as its factorization.

495602273381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 495602273381 in words is "four hundred ninety-five billion, six hundred two million, two hundred seventy-three thousand, three hundred eighty-one".