2050549817 has 2 divisors, whose sum is σ = 2050549818. Its totient is φ = 2050549816.

The previous prime is 2050549811. The next prime is 2050549847. The reversal of 2050549817 is 7189450502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1663089961 + 387459856 = 40781^2 + 19684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2050549817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2050549811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025274908 + 1025274909.

It is an arithmetic number, because the mean of its divisors is an integer number (1025274909).

Almost surely, 2^2050549817 is an apocalyptic number.

It is an amenable number.

2050549817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050549817 is an equidigital number, since it uses as much as digits as its factorization.

2050549817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 2050549817 is about 45282.9969966653. The cubic root of 2050549817 is about 1270.4476519346.

The spelling of 2050549817 in words is "two billion, fifty million, five hundred forty-nine thousand, eight hundred seventeen".