500916371797 has 4 divisors (see below), whose sum is σ = 502335398700. Its totient is φ = 499497344896.

The previous prime is 500916371789. The next prime is 500916371819. The reversal of 500916371797 is 797173619005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 335943115236 + 164973256561 = 579606^2 + 406169^2 .

It is a cyclic number.

It is not a de Polignac number, because 500916371797 - 2³ = 500916371789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500916371717) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 709512922 + ... + 709513627.

It is an arithmetic number, because the mean of its divisors is an integer number (125583849675).

Almost surely, 2^500916371797 is an apocalyptic number.

It is an amenable number.

500916371797 is a deficient number, since it is larger than the sum of its proper divisors (1419026903).

500916371797 is a wasteful number, since it uses less digits than its factorization.

500916371797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419026902.

The product of its (nonzero) digits is 2500470, while the sum is 55.

The spelling of 500916371797 in words is "five hundred billion, nine hundred sixteen million, three hundred seventy-one thousand, seven hundred ninety-seven".