1316001749 has 2 divisors, whose sum is σ = 1316001750. Its totient is φ = 1316001748.

The previous prime is 1316001727. The next prime is 1316001751. The reversal of 1316001749 is 9471006131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1266861649 + 49140100 = 35593^2 + 7010^2 .

It is an emirp because it is prime and its reverse (9471006131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1316001749 - 2²⁴ = 1299224533 is a prime.

Together with 1316001751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316004749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658000874 + 658000875.

It is an arithmetic number, because the mean of its divisors is an integer number (658000875).

Almost surely, 2^1316001749 is an apocalyptic number.

It is an amenable number.

1316001749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316001749 is an equidigital number, since it uses as much as digits as its factorization.

1316001749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1316001749 is about 36276.7384007989. The cubic root of 1316001749 is about 1095.8526331089.

The spelling of 1316001749 in words is "one billion, three hundred sixteen million, one thousand, seven hundred forty-nine".