1388752751563 has 2 divisors, whose sum is σ = 1388752751564. Its totient is φ = 1388752751562.

The previous prime is 1388752751467. The next prime is 1388752751579. The reversal of 1388752751563 is 3651572578831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1388752751563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1388752751063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694376375781 + 694376375782.

It is an arithmetic number, because the mean of its divisors is an integer number (694376375782).

Almost surely, 2^{1388752751563} is an apocalyptic number.

1388752751563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388752751563 is an equidigital number, since it uses as much as digits as its factorization.

1388752751563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336000, while the sum is 61.

The spelling of 1388752751563 in words is "one trillion, three hundred eighty-eight billion, seven hundred fifty-two million, seven hundred fifty-one thousand, five hundred sixty-three".