50513158673 has 2 divisors, whose sum is σ = 50513158674. Its totient is φ = 50513158672.

The previous prime is 50513158667. The next prime is 50513158699. The reversal of 50513158673 is 37685131505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50376455809 + 136702864 = 224447^2 + 11692^2 .

It is a cyclic number.

It is not a de Polignac number, because 50513158673 - 2²² = 50508964369 is a prime.

It is not a weakly prime, because it can be changed into another prime (50513158603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25256579336 + 25256579337.

It is an arithmetic number, because the mean of its divisors is an integer number (25256579337).

Almost surely, 2^50513158673 is an apocalyptic number.

It is an amenable number.

50513158673 is a deficient number, since it is larger than the sum of its proper divisors (1).

50513158673 is an equidigital number, since it uses as much as digits as its factorization.

50513158673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 50513158673 in words is "fifty billion, five hundred thirteen million, one hundred fifty-eight thousand, six hundred seventy-three".