1441426669 has 2 divisors, whose sum is σ = 1441426670. Its totient is φ = 1441426668.

The previous prime is 1441426633. The next prime is 1441426681. The reversal of 1441426669 is 9666241441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1125938025 + 315488644 = 33555^2 + 17762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441426669 - 2¹⁵ = 1441393901 is a prime.

It is a super-2 number, since 2×1441426669² = 4155421684208871122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441426769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720713334 + 720713335.

It is an arithmetic number, because the mean of its divisors is an integer number (720713335).

Almost surely, 2^1441426669 is an apocalyptic number.

It is an amenable number.

1441426669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441426669 is an equidigital number, since it uses as much as digits as its factorization.

1441426669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 1441426669 is about 37966.1252829414. The cubic root of 1441426669 is about 1129.6160412688.

The spelling of 1441426669 in words is "one billion, four hundred forty-one million, four hundred twenty-six thousand, six hundred sixty-nine".