1334444021 has 2 divisors, whose sum is σ = 1334444022. Its totient is φ = 1334444020.

The previous prime is 1334444003. The next prime is 1334444047. The reversal of 1334444021 is 1204444331.

It is an a-pointer prime, because the next prime (1334444047) can be obtained adding 1334444021 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1262380900 + 72063121 = 35530^2 + 8489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334444021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1334444071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667222010 + 667222011.

It is an arithmetic number, because the mean of its divisors is an integer number (667222011).

Almost surely, 2^1334444021 is an apocalyptic number.

It is an amenable number.

1334444021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334444021 is an equidigital number, since it uses as much as digits as its factorization.

1334444021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1334444021 is about 36530.0427182887. The cubic root of 1334444021 is about 1100.9479489654.

Adding to 1334444021 its reverse (1204444331), we get a palindrome (2538888352).

The spelling of 1334444021 in words is "one billion, three hundred thirty-four million, four hundred forty-four thousand, twenty-one".