47828426491 has 2 divisors, whose sum is σ = 47828426492. Its totient is φ = 47828426490.

The previous prime is 47828426447. The next prime is 47828426507. The reversal of 47828426491 is 19462482874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47828426491 - 2²³ = 47820037883 is a prime.

It is not a weakly prime, because it can be changed into another prime (47828406491) 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, 23914213245 + 23914213246.

It is an arithmetic number, because the mean of its divisors is an integer number (23914213246).

Almost surely, 2^47828426491 is an apocalyptic number.

47828426491 is a deficient number, since it is larger than the sum of its proper divisors (1).

47828426491 is an equidigital number, since it uses as much as digits as its factorization.

47828426491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 55.

The spelling of 47828426491 in words is "forty-seven billion, eight hundred twenty-eight million, four hundred twenty-six thousand, four hundred ninety-one".