4250040491 has 2 divisors, whose sum is σ = 4250040492. Its totient is φ = 4250040490.

The previous prime is 4250040469. The next prime is 4250040503. The reversal of 4250040491 is 1940400524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4250040491 - 2⁶ = 4250040427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4250040391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125020245 + 2125020246.

It is an arithmetic number, because the mean of its divisors is an integer number (2125020246).

Almost surely, 2^4250040491 is an apocalyptic number.

4250040491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4250040491 is an equidigital number, since it uses as much as digits as its factorization.

4250040491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 4250040491 is about 65192.3346030804. The cubic root of 4250040491 is about 1619.8110447448.

The spelling of 4250040491 in words is "four billion, two hundred fifty million, forty thousand, four hundred ninety-one".