47128342357 has 2 divisors, whose sum is σ = 47128342358. Its totient is φ = 47128342356.

The previous prime is 47128342333. The next prime is 47128342427. The reversal of 47128342357 is 75324382174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40143728881 + 6984613476 = 200359^2 + 83574^2 .

It is a cyclic number.

It is not a de Polignac number, because 47128342357 - 2²⁷ = 46994124629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47128342307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23564171178 + 23564171179.

It is an arithmetic number, because the mean of its divisors is an integer number (23564171179).

Almost surely, 2^47128342357 is an apocalyptic number.

It is an amenable number.

47128342357 is a deficient number, since it is larger than the sum of its proper divisors (1).

47128342357 is an equidigital number, since it uses as much as digits as its factorization.

47128342357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 46.

The spelling of 47128342357 in words is "forty-seven billion, one hundred twenty-eight million, three hundred forty-two thousand, three hundred fifty-seven".