47137320477389 has 2 divisors, whose sum is σ = 47137320477390. Its totient is φ = 47137320477388.

The previous prime is 47137320477383. The next prime is 47137320477439. The reversal of 47137320477389 is 98377402373174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47085904914889 + 51415562500 = 6861917^2 + 226750^2 .

It is a cyclic number.

It is not a de Polignac number, because 47137320477389 - 2⁸ = 47137320477133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47137320477383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23568660238694 + 23568660238695.

It is an arithmetic number, because the mean of its divisors is an integer number (23568660238695).

Almost surely, 2^{47137320477389} is an apocalyptic number.

It is an amenable number.

47137320477389 is a deficient number, since it is larger than the sum of its proper divisors (1).

47137320477389 is an equidigital number, since it uses as much as digits as its factorization.

47137320477389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 149361408, while the sum is 65.

The spelling of 47137320477389 in words is "forty-seven trillion, one hundred thirty-seven billion, three hundred twenty million, four hundred seventy-seven thousand, three hundred eighty-nine".