4250266639 has 2 divisors, whose sum is σ = 4250266640. Its totient is φ = 4250266638.

The previous prime is 4250266619. The next prime is 4250266667. The reversal of 4250266639 is 9366620524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4250266639 - 2⁷ = 4250266511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4250266595 and 4250266604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4250266619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125133319 + 2125133320.

It is an arithmetic number, because the mean of its divisors is an integer number (2125133320).

Almost surely, 2^4250266639 is an apocalyptic number.

4250266639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4250266639 is an equidigital number, since it uses as much as digits as its factorization.

4250266639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 4250266639 is about 65194.0690477286. The cubic root of 4250266639 is about 1619.8397747088.

The spelling of 4250266639 in words is "four billion, two hundred fifty million, two hundred sixty-six thousand, six hundred thirty-nine".