4266028391 has 2 divisors, whose sum is σ = 4266028392. Its totient is φ = 4266028390.

The previous prime is 4266028381. The next prime is 4266028463. The reversal of 4266028391 is 1938206624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4266028391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4266028321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2133014195 + 2133014196.

It is an arithmetic number, because the mean of its divisors is an integer number (2133014196).

Almost surely, 2^4266028391 is an apocalyptic number.

4266028391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4266028391 is an equidigital number, since it uses as much as digits as its factorization.

4266028391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 4266028391 is about 65314.8405111733. The cubic root of 4266028391 is about 1621.8396505876.

The spelling of 4266028391 in words is "four billion, two hundred sixty-six million, twenty-eight thousand, three hundred ninety-one".