50813206697 has 12 divisors (see below), whose sum is σ = 56906361540. Its totient is φ = 45322236960.

The previous prime is 50813206663. The next prime is 50813206699. The reversal of 50813206697 is 79660231805.

It can be written as a sum of positive squares in 2 ways, for example, as 34167304336 + 16645902361 = 184844^2 + 129019^2 .

It is not a de Polignac number, because 50813206697 - 2¹⁰ = 50813205673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50813206699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3955322 + ... + 3968147.

It is an arithmetic number, because the mean of its divisors is an integer number (4742196795).

Almost surely, 2^50813206697 is an apocalyptic number.

It is an amenable number.

50813206697 is a deficient number, since it is larger than the sum of its proper divisors (6093154843).

50813206697 is a wasteful number, since it uses less digits than its factorization.

50813206697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923544 (or 7923533 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 50813206697 in words is "fifty billion, eight hundred thirteen million, two hundred six thousand, six hundred ninety-seven".