50213002613 has 2 divisors, whose sum is σ = 50213002614. Its totient is φ = 50213002612.

The previous prime is 50213002577. The next prime is 50213002627. The reversal of 50213002613 is 31620031205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42149321809 + 8063680804 = 205303^2 + 89798^2 .

It is a cyclic number.

It is not a de Polignac number, because 50213002613 - 2¹⁸ = 50212740469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50213002633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25106501306 + 25106501307.

It is an arithmetic number, because the mean of its divisors is an integer number (25106501307).

Almost surely, 2^50213002613 is an apocalyptic number.

It is an amenable number.

50213002613 is a deficient number, since it is larger than the sum of its proper divisors (1).

50213002613 is an equidigital number, since it uses as much as digits as its factorization.

50213002613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 50213002613 its reverse (31620031205), we get a palindrome (81833033818).

The spelling of 50213002613 in words is "fifty billion, two hundred thirteen million, two thousand, six hundred thirteen".