50445089167609 has 2 divisors, whose sum is σ = 50445089167610. Its totient is φ = 50445089167608.

The previous prime is 50445089167597. The next prime is 50445089167651. The reversal of 50445089167609 is 90676198054405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35636661426025 + 14808427741584 = 5969645^2 + 3848172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50445089167609 is a prime.

It is a super-2 number, since 2×50445089167609² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50445089167679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25222544583804 + 25222544583805.

It is an arithmetic number, because the mean of its divisors is an integer number (25222544583805).

Almost surely, 2^{50445089167609} is an apocalyptic number.

It is an amenable number.

50445089167609 is a deficient number, since it is larger than the sum of its proper divisors (1).

50445089167609 is an equidigital number, since it uses as much as digits as its factorization.

50445089167609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 50445089167609 in words is "fifty trillion, four hundred forty-five billion, eighty-nine million, one hundred sixty-seven thousand, six hundred nine".