1393299793 has 2 divisors, whose sum is σ = 1393299794. Its totient is φ = 1393299792.

The previous prime is 1393299779. The next prime is 1393299799. The reversal of 1393299793 is 3979923931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719741584 + 673558209 = 26828^2 + 25953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1393299793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1393299799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696649896 + 696649897.

It is an arithmetic number, because the mean of its divisors is an integer number (696649897).

Almost surely, 2^1393299793 is an apocalyptic number.

It is an amenable number.

1393299793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393299793 is an equidigital number, since it uses as much as digits as its factorization.

1393299793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2480058, while the sum is 55.

The square root of 1393299793 is about 37326.9312025513. The cubic root of 1393299793 is about 1116.9014571367.

The spelling of 1393299793 in words is "one billion, three hundred ninety-three million, two hundred ninety-nine thousand, seven hundred ninety-three".