47167128574649 has 2 divisors, whose sum is σ = 47167128574650. Its totient is φ = 47167128574648.

The previous prime is 47167128574637. The next prime is 47167128574747. The reversal of 47167128574649 is 94647582176174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26077036738624 + 21090091836025 = 5106568^2 + 4592395^2 .

It is a cyclic number.

It is not a de Polignac number, because 47167128574649 - 2⁸ = 47167128574393 is a prime.

It is not a weakly prime, because it can be changed into another prime (47167128574549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23583564287324 + 23583564287325.

It is an arithmetic number, because the mean of its divisors is an integer number (23583564287325).

Almost surely, 2^{47167128574649} is an apocalyptic number.

It is an amenable number.

47167128574649 is a deficient number, since it is larger than the sum of its proper divisors (1).

47167128574649 is an equidigital number, since it uses as much as digits as its factorization.

47167128574649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 568995840, while the sum is 71.

The spelling of 47167128574649 in words is "forty-seven trillion, one hundred sixty-seven billion, one hundred twenty-eight million, five hundred seventy-four thousand, six hundred forty-nine".