47898220049 has 2 divisors, whose sum is σ = 47898220050. Its totient is φ = 47898220048.

The previous prime is 47898220037. The next prime is 47898220091. The reversal of 47898220049 is 94002289874.

It is a happy number.

47898220049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47880004225 + 18215824 = 218815^2 + 4268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47898220049 is a prime.

It is not a weakly prime, because it can be changed into another prime (47898220549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23949110024 + 23949110025.

It is an arithmetic number, because the mean of its divisors is an integer number (23949110025).

Almost surely, 2^47898220049 is an apocalyptic number.

It is an amenable number.

47898220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47898220049 is an equidigital number, since it uses as much as digits as its factorization.

47898220049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 47898220049 in words is "forty-seven billion, eight hundred ninety-eight million, two hundred twenty thousand, forty-nine".