1441386997 has 2 divisors, whose sum is σ = 1441386998. Its totient is φ = 1441386996.

The previous prime is 1441386983. The next prime is 1441387009. The reversal of 1441386997 is 7996831441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416844881 + 24542116 = 37641^2 + 4954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441386997 - 2¹¹ = 1441384949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441386907) 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, 720693498 + 720693499.

It is an arithmetic number, because the mean of its divisors is an integer number (720693499).

Almost surely, 2^1441386997 is an apocalyptic number.

It is an amenable number.

1441386997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441386997 is an equidigital number, since it uses as much as digits as its factorization.

1441386997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 1441386997 is about 37965.6028135996. The cubic root of 1441386997 is about 1129.6056778005.

The spelling of 1441386997 in words is "one billion, four hundred forty-one million, three hundred eighty-six thousand, nine hundred ninety-seven".