2050547813 has 2 divisors, whose sum is σ = 2050547814. Its totient is φ = 2050547812.

The previous prime is 2050547783. The next prime is 2050547831. The reversal of 2050547813 is 3187450502.

It is a happy number.

Together with next prime (2050547831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218917569 + 831630244 = 34913^2 + 28838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050547813 - 2⁶ = 2050547749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2050517813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025273906 + 1025273907.

It is an arithmetic number, because the mean of its divisors is an integer number (1025273907).

Almost surely, 2^2050547813 is an apocalyptic number.

It is an amenable number.

2050547813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050547813 is an equidigital number, since it uses as much as digits as its factorization.

2050547813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 2050547813 is about 45282.9748691492. The cubic root of 2050547813 is about 1270.4472380654.

The spelling of 2050547813 in words is "two billion, fifty million, five hundred forty-seven thousand, eight hundred thirteen".