2050475891 has 2 divisors, whose sum is σ = 2050475892. Its totient is φ = 2050475890.

The previous prime is 2050475881. The next prime is 2050475923. The reversal of 2050475891 is 1985740502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2050475891 - 2¹⁴ = 2050459507 is a prime.

It is not a weakly prime, because it can be changed into another prime (2050475831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025237945 + 1025237946.

It is an arithmetic number, because the mean of its divisors is an integer number (1025237946).

Almost surely, 2^2050475891 is an apocalyptic number.

2050475891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050475891 is an equidigital number, since it uses as much as digits as its factorization.

2050475891 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 2050475891 is about 45282.1807226640. The cubic root of 2050475891 is about 1270.4323844453.

The spelling of 2050475891 in words is "two billion, fifty million, four hundred seventy-five thousand, eight hundred ninety-one".