47719903928393 has 2 divisors, whose sum is σ = 47719903928394. Its totient is φ = 47719903928392.

The previous prime is 47719903928371. The next prime is 47719903928419. The reversal of 47719903928393 is 39382930991774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33124203261769 + 14595700666624 = 5755363^2 + 3820432^2 .

It is a cyclic number.

It is not a de Polignac number, because 47719903928393 - 2¹⁰ = 47719903927369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47719903928393.

It is not a weakly prime, because it can be changed into another prime (47719903928303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23859951964196 + 23859951964197.

It is an arithmetic number, because the mean of its divisors is an integer number (23859951964197).

Almost surely, 2^{47719903928393} is an apocalyptic number.

It is an amenable number.

47719903928393 is a deficient number, since it is larger than the sum of its proper divisors (1).

47719903928393 is an equidigital number, since it uses as much as digits as its factorization.

47719903928393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555532992, while the sum is 74.

The spelling of 47719903928393 in words is "forty-seven trillion, seven hundred nineteen billion, nine hundred three million, nine hundred twenty-eight thousand, three hundred ninety-three".