497075628868898 has 4 divisors (see below), whose sum is σ = 745613443303350. Its totient is φ = 248537814434448.

The previous prime is 497075628868859. The next prime is 497075628868909. The reversal of 497075628868898 is 898868826570794.

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

It can be written as a sum of positive squares in only one way, i.e., 272009714042089 + 225065914826809 = 16492717^2 + 15002197^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 497075628868898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124268907217223 + ... + 124268907217226.

Almost surely, 2^{497075628868898} is an apocalyptic number.

497075628868898 is a deficient number, since it is larger than the sum of its proper divisors (248537814434452).

497075628868898 is a wasteful number, since it uses less digits than its factorization.

497075628868898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248537814434451.

The product of its (nonzero) digits is 187280916480, while the sum is 95.

The spelling of 497075628868898 in words is "four hundred ninety-seven trillion, seventy-five billion, six hundred twenty-eight million, eight hundred sixty-eight thousand, eight hundred ninety-eight".