2050631249 has 2 divisors, whose sum is σ = 2050631250. Its totient is φ = 2050631248.

The previous prime is 2050631213. The next prime is 2050631287. The reversal of 2050631249 is 9421360502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1738473025 + 312158224 = 41695^2 + 17668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2050631249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2050601249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025315624 + 1025315625.

It is an arithmetic number, because the mean of its divisors is an integer number (1025315625).

Almost surely, 2^2050631249 is an apocalyptic number.

It is an amenable number.

2050631249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050631249 is an equidigital number, since it uses as much as digits as its factorization.

2050631249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2050631249 is about 45283.8961331730. The cubic root of 2050631249 is about 1270.4644691678.

The spelling of 2050631249 in words is "two billion, fifty million, six hundred thirty-one thousand, two hundred forty-nine".