47293380389 has 2 divisors, whose sum is σ = 47293380390. Its totient is φ = 47293380388.

The previous prime is 47293380347. The next prime is 47293380419. The reversal of 47293380389 is 98308339274.

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., 42607977889 + 4685402500 = 206417^2 + 68450^2 .

It is a cyclic number.

It is not a de Polignac number, because 47293380389 - 2¹² = 47293376293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47293350389) 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, 23646690194 + 23646690195.

It is an arithmetic number, because the mean of its divisors is an integer number (23646690195).

Almost surely, 2^47293380389 is an apocalyptic number.

It is an amenable number.

47293380389 is a deficient number, since it is larger than the sum of its proper divisors (1).

47293380389 is an equidigital number, since it uses as much as digits as its factorization.

47293380389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 47293380389 in words is "forty-seven billion, two hundred ninety-three million, three hundred eighty thousand, three hundred eighty-nine".