50196209513 has 4 divisors (see below), whose sum is σ = 51420507348. Its totient is φ = 48971911680.

The previous prime is 50196209509. The next prime is 50196209537. The reversal of 50196209513 is 31590269105.

It is a happy number.

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 2997343504 + 47198866009 = 54748^2 + 217253^2 .

It is a cyclic number.

It is not a de Polignac number, because 50196209513 - 2² = 50196209509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1224297793 = 50196209513 / (5 + 0 + 1 + 9 + 6 + 2 + 0 + 9 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50196209563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612148856 + ... + 612148937.

It is an arithmetic number, because the mean of its divisors is an integer number (12855126837).

Almost surely, 2^50196209513 is an apocalyptic number.

It is an amenable number.

50196209513 is a deficient number, since it is larger than the sum of its proper divisors (1224297835).

50196209513 is a wasteful number, since it uses less digits than its factorization.

50196209513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224297834.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 50196209513 in words is "fifty billion, one hundred ninety-six million, two hundred nine thousand, five hundred thirteen".