47450009837 has 2 divisors, whose sum is σ = 47450009838. Its totient is φ = 47450009836.

The previous prime is 47450009813. The next prime is 47450009851. The reversal of 47450009837 is 73890005474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41116078441 + 6333931396 = 202771^2 + 79586^2 .

It is a cyclic number.

It is not a de Polignac number, because 47450009837 - 2²⁸ = 47181574381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47450009791 and 47450009800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47450009237) 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, 23725004918 + 23725004919.

It is an arithmetic number, because the mean of its divisors is an integer number (23725004919).

Almost surely, 2^47450009837 is an apocalyptic number.

It is an amenable number.

47450009837 is a deficient number, since it is larger than the sum of its proper divisors (1).

47450009837 is an equidigital number, since it uses as much as digits as its factorization.

47450009837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 47450009837 in words is "forty-seven billion, four hundred fifty million, nine thousand, eight hundred thirty-seven".