47225644049 has 2 divisors, whose sum is σ = 47225644050. Its totient is φ = 47225644048.

The previous prime is 47225643991. The next prime is 47225644087. The reversal of 47225644049 is 94044652274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42707115649 + 4518528400 = 206657^2 + 67220^2 .

It is a cyclic number.

It is not a de Polignac number, because 47225644049 - 2²⁸ = 46957208593 is a prime.

It is a super-2 number, since 2×47225644049² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47225643994 and 47225644012.

It is not a weakly prime, because it can be changed into another prime (47225644849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23612822024 + 23612822025.

It is an arithmetic number, because the mean of its divisors is an integer number (23612822025).

Almost surely, 2^47225644049 is an apocalyptic number.

It is an amenable number.

47225644049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47225644049 is an equidigital number, since it uses as much as digits as its factorization.

47225644049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 47225644049 in words is "forty-seven billion, two hundred twenty-five million, six hundred forty-four thousand, forty-nine".