2051403049 has 2 divisors, whose sum is σ = 2051403050. Its totient is φ = 2051403048.

The previous prime is 2051403047. The next prime is 2051403113. The reversal of 2051403049 is 9403041502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278563049 + 772840000 = 35757^2 + 27800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051403049 - 2¹ = 2051403047 is a prime.

Together with 2051403047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2051403043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025701524 + 1025701525.

It is an arithmetic number, because the mean of its divisors is an integer number (1025701525).

Almost surely, 2^2051403049 is an apocalyptic number.

It is an amenable number.

2051403049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051403049 is an equidigital number, since it uses as much as digits as its factorization.

2051403049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2051403049 is about 45292.4171247241. The cubic root of 2051403049 is about 1270.6238382218.

The spelling of 2051403049 in words is "two billion, fifty-one million, four hundred three thousand, forty-nine".