50712513080813 has 2 divisors, whose sum is σ = 50712513080814. Its totient is φ = 50712513080812.

The previous prime is 50712513080743. The next prime is 50712513080819. The reversal of 50712513080813 is 31808031521705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29343000618724 + 21369512462089 = 5416918^2 + 4622717^2 .

It is a cyclic number.

It is not a de Polignac number, because 50712513080813 - 2⁸ = 50712513080557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50712513080819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25356256540406 + 25356256540407.

It is an arithmetic number, because the mean of its divisors is an integer number (25356256540407).

Almost surely, 2^{50712513080813} is an apocalyptic number.

It is an amenable number.

50712513080813 is a deficient number, since it is larger than the sum of its proper divisors (1).

50712513080813 is an equidigital number, since it uses as much as digits as its factorization.

50712513080813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 50712513080813 in words is "fifty trillion, seven hundred twelve billion, five hundred thirteen million, eighty thousand, eight hundred thirteen".