1459127749 has 2 divisors, whose sum is σ = 1459127750. Its totient is φ = 1459127748.

The previous prime is 1459127741. The next prime is 1459127801. The reversal of 1459127749 is 9477219541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1458705249 + 422500 = 38193^2 + 650^2 .

It is an emirp because it is prime and its reverse (9477219541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1459127749 - 2³ = 1459127741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1459127741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729563874 + 729563875.

It is an arithmetic number, because the mean of its divisors is an integer number (729563875).

Almost surely, 2^1459127749 is an apocalyptic number.

It is an amenable number.

1459127749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1459127749 is an equidigital number, since it uses as much as digits as its factorization.

1459127749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 1459127749 is about 38198.5307178169. The cubic root of 1459127749 is about 1134.2212306085.

The spelling of 1459127749 in words is "one billion, four hundred fifty-nine million, one hundred twenty-seven thousand, seven hundred forty-nine".