1358733749 has 2 divisors, whose sum is σ = 1358733750. Its totient is φ = 1358733748.

The previous prime is 1358733731. The next prime is 1358733767. The reversal of 1358733749 is 9473378531.

It is a balanced prime because it is at equal distance from previous prime (1358733731) and next prime (1358733767).

It can be written as a sum of positive squares in only one way, i.e., 1179441649 + 179292100 = 34343^2 + 13390^2 .

It is an emirp because it is prime and its reverse (9473378531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1358733749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1358733697 and 1358733706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1358733799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679366874 + 679366875.

It is an arithmetic number, because the mean of its divisors is an integer number (679366875).

Almost surely, 2^1358733749 is an apocalyptic number.

It is an amenable number.

1358733749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1358733749 is an equidigital number, since it uses as much as digits as its factorization.

1358733749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The square root of 1358733749 is about 36861.0058055935. The cubic root of 1358733749 is about 1107.5876917453.

The spelling of 1358733749 in words is "one billion, three hundred fifty-eight million, seven hundred thirty-three thousand, seven hundred forty-nine".