4050256649 has 2 divisors, whose sum is σ = 4050256650. Its totient is φ = 4050256648.

The previous prime is 4050256607. The next prime is 4050256669. The reversal of 4050256649 is 9466520504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280540025 + 1769716624 = 47755^2 + 42068^2 .

It is a cyclic number.

It is not a de Polignac number, because 4050256649 - 2²⁰ = 4049208073 is a prime.

It is not a weakly prime, because it can be changed into another prime (4050256669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025128324 + 2025128325.

It is an arithmetic number, because the mean of its divisors is an integer number (2025128325).

Almost surely, 2^4050256649 is an apocalyptic number.

It is an amenable number.

4050256649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4050256649 is an equidigital number, since it uses as much as digits as its factorization.

4050256649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 4050256649 is about 63641.6266998260. The cubic root of 4050256649 is about 1594.0215234651.

The spelling of 4050256649 in words is "four billion, fifty million, two hundred fifty-six thousand, six hundred forty-nine".