50315446413 has 12 divisors (see below), whose sum is σ = 72688748860. Its totient is φ = 33538608576.

The previous prime is 50315446409. The next prime is 50315446421. The reversal of 50315446413 is 31464451305.

50315446413 is a `hidden beast` number, since 5 + 0 + 3 + 1 + 5 + 4 + 4 + 641 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30061317924 + 20254128489 = 173382^2 + 142317^2 .

It is not a de Polignac number, because 50315446413 - 2² = 50315446409 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 (50315446813) 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 11 ways as a sum of consecutive naturals, for example, 354568 + ... + 475761.

Almost surely, 2^50315446413 is an apocalyptic number.

It is an amenable number.

50315446413 is a deficient number, since it is larger than the sum of its proper divisors (22373302447).

50315446413 is a wasteful number, since it uses less digits than its factorization.

50315446413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837068 (or 837065 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 50315446413 its reverse (31464451305), we get a palindrome (81779897718).

The spelling of 50315446413 in words is "fifty billion, three hundred fifteen million, four hundred forty-six thousand, four hundred thirteen".