1387456227293 has 2 divisors, whose sum is σ = 1387456227294. Its totient is φ = 1387456227292.

The previous prime is 1387456227257. The next prime is 1387456227301. The reversal of 1387456227293 is 3927226547831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1350306748729 + 37149478564 = 1162027^2 + 192742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1387456227293 - 2¹⁶ = 1387456161757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387456227203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693728113646 + 693728113647.

It is an arithmetic number, because the mean of its divisors is an integer number (693728113647).

Almost surely, 2^{1387456227293} is an apocalyptic number.

It is an amenable number.

1387456227293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387456227293 is an equidigital number, since it uses as much as digits as its factorization.

1387456227293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 59.

The spelling of 1387456227293 in words is "one trillion, three hundred eighty-seven billion, four hundred fifty-six million, two hundred twenty-seven thousand, two hundred ninety-three".