50000400213 has 4 divisors (see below), whose sum is σ = 66667200288. Its totient is φ = 33333600140.

The previous prime is 50000400169. The next prime is 50000400217. The reversal of 50000400213 is 31200400005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50000400213 - 2¹⁶ = 50000334677 is a prime.

It is a super-3 number, since 3×50000400213³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50000400192 and 50000400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000400217) 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, 8333400033 + ... + 8333400038.

It is an arithmetic number, because the mean of its divisors is an integer number (16666800072).

Almost surely, 2^50000400213 is an apocalyptic number.

It is an amenable number.

50000400213 is a deficient number, since it is larger than the sum of its proper divisors (16666800075).

50000400213 is a wasteful number, since it uses less digits than its factorization.

50000400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666800074.

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 50000400213 its reverse (31200400005), we get a palindrome (81200800218).

The spelling of 50000400213 in words is "fifty billion, four hundred thousand, two hundred thirteen".