47144531899 has 2 divisors, whose sum is σ = 47144531900. Its totient is φ = 47144531898.

The previous prime is 47144531897. The next prime is 47144531923. The reversal of 47144531899 is 99813544174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47144531899 - 2¹ = 47144531897 is a prime.

Together with 47144531897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47144531897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23572265949 + 23572265950.

It is an arithmetic number, because the mean of its divisors is an integer number (23572265950).

Almost surely, 2^47144531899 is an apocalyptic number.

47144531899 is a deficient number, since it is larger than the sum of its proper divisors (1).

47144531899 is an equidigital number, since it uses as much as digits as its factorization.

47144531899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 55.

The spelling of 47144531899 in words is "forty-seven billion, one hundred forty-four million, five hundred thirty-one thousand, eight hundred ninety-nine".