1442949097 has 2 divisors, whose sum is σ = 1442949098. Its totient is φ = 1442949096.

The previous prime is 1442949077. The next prime is 1442949139. The reversal of 1442949097 is 7909492441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1355638761 + 87310336 = 36819^2 + 9344^2 .

It is an emirp because it is prime and its reverse (7909492441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442949097 - 2¹⁵ = 1442916329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442949097.

It is not a weakly prime, because it can be changed into another prime (1442949007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721474548 + 721474549.

It is an arithmetic number, because the mean of its divisors is an integer number (721474549).

Almost surely, 2^1442949097 is an apocalyptic number.

It is an amenable number.

1442949097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442949097 is an equidigital number, since it uses as much as digits as its factorization.

1442949097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1442949097 is about 37986.1698121830. The cubic root of 1442949097 is about 1130.0135997006.

The spelling of 1442949097 in words is "one billion, four hundred forty-two million, nine hundred forty-nine thousand, ninety-seven".