1144413397 has 2 divisors, whose sum is σ = 1144413398. Its totient is φ = 1144413396.

The previous prime is 1144413373. The next prime is 1144413419. The reversal of 1144413397 is 7933144411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622702116 + 521711281 = 24954^2 + 22841^2 .

It is an emirp because it is prime and its reverse (7933144411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144413397 - 2¹¹ = 1144411349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144413337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572206698 + 572206699.

It is an arithmetic number, because the mean of its divisors is an integer number (572206699).

Almost surely, 2^1144413397 is an apocalyptic number.

It is an amenable number.

1144413397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144413397 is an equidigital number, since it uses as much as digits as its factorization.

1144413397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 1144413397 is about 33829.1796678548. The cubic root of 1144413397 is about 1045.9902693751.

The spelling of 1144413397 in words is "one billion, one hundred forty-four million, four hundred thirteen thousand, three hundred ninety-seven".