50670263513 has 2 divisors, whose sum is σ = 50670263514.
Its totient is φ = 50670263512.
The previous prime is 50670263489. The next prime is 50670263557. The reversal of 50670263513 is 31536207605.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 44431159369 + 6239104144 = 210787^2 + 78988^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-50670263513 is a prime.
It is not a weakly prime, because it can be changed into another prime (50670263573) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25335131756 + 25335131757.
It is an arithmetic number, because the mean of its divisors is an integer number (25335131757).
Almost surely, 250670263513 is an apocalyptic number.
It is an amenable number.
50670263513 is a deficient number, since it is larger than the sum of its proper divisors (1).
50670263513 is an equidigital number, since it uses as much as digits as its factorization.
50670263513 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 113400, while the sum is 38.
The spelling of 50670263513 in words is "fifty billion, six hundred seventy million, two hundred sixty-three thousand, five hundred thirteen".