1442116469 has 2 divisors, whose sum is σ = 1442116470. Its totient is φ = 1442116468.

The previous prime is 1442116457. The next prime is 1442116517. The reversal of 1442116469 is 9646112441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111422244 + 330694225 = 33338^2 + 18185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442116469 - 2⁸ = 1442116213 is a prime.

It is a super-2 number, since 2×1442116469² = 4159399820322055922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442116769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721058234 + 721058235.

It is an arithmetic number, because the mean of its divisors is an integer number (721058235).

Almost surely, 2^1442116469 is an apocalyptic number.

It is an amenable number.

1442116469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442116469 is an equidigital number, since it uses as much as digits as its factorization.

1442116469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 1442116469 is about 37975.2086103553. The cubic root of 1442116469 is about 1129.7962064938.

The spelling of 1442116469 in words is "one billion, four hundred forty-two million, one hundred sixteen thousand, four hundred sixty-nine".