1044434381 has 2 divisors, whose sum is σ = 1044434382. Its totient is φ = 1044434380.

The previous prime is 1044434359. The next prime is 1044434407. The reversal of 1044434381 is 1834344401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797158756 + 247275625 = 28234^2 + 15725^2 .

It is an emirp because it is prime and its reverse (1834344401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1044434381 - 2²² = 1040240077 is a prime.

It is a super-2 number, since 2×1044434381² = 2181686352429706322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044434341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522217190 + 522217191.

It is an arithmetic number, because the mean of its divisors is an integer number (522217191).

Almost surely, 2^1044434381 is an apocalyptic number.

It is an amenable number.

1044434381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044434381 is an equidigital number, since it uses as much as digits as its factorization.

1044434381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1044434381 is about 32317.7100209777. The cubic root of 1044434381 is about 1014.5973411526.

Adding to 1044434381 its reverse (1834344401), we get a palindrome (2878778782).

The spelling of 1044434381 in words is "one billion, forty-four million, four hundred thirty-four thousand, three hundred eighty-one".