2050171850659 has 2 divisors, whose sum is σ = 2050171850660. Its totient is φ = 2050171850658.

The previous prime is 2050171850621. The next prime is 2050171850707. The reversal of 2050171850659 is 9560581710502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2050171850659 - 2²¹ = 2050169753507 is a prime.

It is not a weakly prime, because it can be changed into another prime (2050171850059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025085925329 + 1025085925330.

It is an arithmetic number, because the mean of its divisors is an integer number (1025085925330).

Almost surely, 2^{2050171850659} is an apocalyptic number.

2050171850659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050171850659 is an equidigital number, since it uses as much as digits as its factorization.

2050171850659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 2050171850659 in words is "two trillion, fifty billion, one hundred seventy-one million, eight hundred fifty thousand, six hundred fifty-nine".