47302229281 has 2 divisors, whose sum is σ = 47302229282. Its totient is φ = 47302229280.

The previous prime is 47302229231. The next prime is 47302229297. The reversal of 47302229281 is 18292220374.

It is a happy number.

47302229281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45032659681 + 2269569600 = 212209^2 + 47640^2 .

It is a cyclic number.

It is not a de Polignac number, because 47302229281 - 2⁷ = 47302229153 is a prime.

It is a super-2 number, since 2×47302229281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47302229231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23651114640 + 23651114641.

It is an arithmetic number, because the mean of its divisors is an integer number (23651114641).

Almost surely, 2^47302229281 is an apocalyptic number.

It is an amenable number.

47302229281 is a deficient number, since it is larger than the sum of its proper divisors (1).

47302229281 is an equidigital number, since it uses as much as digits as its factorization.

47302229281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 47302229281 in words is "forty-seven billion, three hundred two million, two hundred twenty-nine thousand, two hundred eighty-one".