2051450647 has 2 divisors, whose sum is σ = 2051450648. Its totient is φ = 2051450646.

The previous prime is 2051450629. The next prime is 2051450651. The reversal of 2051450647 is 7460541502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051450647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051450617) 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, 1025725323 + 1025725324.

It is an arithmetic number, because the mean of its divisors is an integer number (1025725324).

Almost surely, 2^2051450647 is an apocalyptic number.

2051450647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051450647 is an equidigital number, since it uses as much as digits as its factorization.

2051450647 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 34.

The square root of 2051450647 is about 45292.9425738713. The cubic root of 2051450647 is about 1270.6336654285.

The spelling of 2051450647 in words is "two billion, fifty-one million, four hundred fifty thousand, six hundred forty-seven".