1393052644597 has 2 divisors, whose sum is σ = 1393052644598. Its totient is φ = 1393052644596.

The previous prime is 1393052644559. The next prime is 1393052644657. The reversal of 1393052644597 is 7954462503931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883733485041 + 509319159556 = 940071^2 + 713666^2 .

It is an emirp because it is prime and its reverse (7954462503931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1393052644597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1393052644297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696526322298 + 696526322299.

It is an arithmetic number, because the mean of its divisors is an integer number (696526322299).

Almost surely, 2^{1393052644597} is an apocalyptic number.

It is an amenable number.

1393052644597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393052644597 is an equidigital number, since it uses as much as digits as its factorization.

1393052644597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 58.

The spelling of 1393052644597 in words is "one trillion, three hundred ninety-three billion, fifty-two million, six hundred forty-four thousand, five hundred ninety-seven".