1393006249 has 2 divisors, whose sum is σ = 1393006250. Its totient is φ = 1393006248.

The previous prime is 1393006217. The next prime is 1393006253. The reversal of 1393006249 is 9426003931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1194393600 + 198612649 = 34560^2 + 14093^2 .

It is a cyclic number.

It is not a de Polignac number, because 1393006249 - 2⁵ = 1393006217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1393006949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696503124 + 696503125.

It is an arithmetic number, because the mean of its divisors is an integer number (696503125).

Almost surely, 2^1393006249 is an apocalyptic number.

It is an amenable number.

1393006249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393006249 is an equidigital number, since it uses as much as digits as its factorization.

1393006249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 1393006249 is about 37322.9989282748. The cubic root of 1393006249 is about 1116.8230143995.

The spelling of 1393006249 in words is "one billion, three hundred ninety-three million, six thousand, two hundred forty-nine".