4144266391 has 2 divisors, whose sum is σ = 4144266392. Its totient is φ = 4144266390.

The previous prime is 4144266337. The next prime is 4144266479. The reversal of 4144266391 is 1936624414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4144266391 - 2¹⁵ = 4144233623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4144266311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072133195 + 2072133196.

It is an arithmetic number, because the mean of its divisors is an integer number (2072133196).

Almost surely, 2^4144266391 is an apocalyptic number.

4144266391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144266391 is an equidigital number, since it uses as much as digits as its factorization.

4144266391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 40.

The square root of 4144266391 is about 64375.9768158899. The cubic root of 4144266391 is about 1606.2601608748.

The spelling of 4144266391 in words is "four billion, one hundred forty-four million, two hundred sixty-six thousand, three hundred ninety-one".