15383630854393 has 2 divisors, whose sum is σ = 15383630854394. Its totient is φ = 15383630854392.

The previous prime is 15383630854367. The next prime is 15383630854411. The reversal of 15383630854393 is 39345803638351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12148766018064 + 3234864836329 = 3485508^2 + 1798573^2 .

It is a cyclic number.

It is not a de Polignac number, because 15383630854393 - 2²¹ = 15383628757241 is a prime.

It is not a weakly prime, because it can be changed into another prime (15383630854793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7691815427196 + 7691815427197.

It is an arithmetic number, because the mean of its divisors is an integer number (7691815427197).

Almost surely, 2^{15383630854393} is an apocalyptic number.

It is an amenable number.

15383630854393 is a deficient number, since it is larger than the sum of its proper divisors (1).

15383630854393 is an equidigital number, since it uses as much as digits as its factorization.

15383630854393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83980800, while the sum is 61.

The spelling of 15383630854393 in words is "fifteen trillion, three hundred eighty-three billion, six hundred thirty million, eight hundred fifty-four thousand, three hundred ninety-three".