47284019365409 has 2 divisors, whose sum is σ = 47284019365410. Its totient is φ = 47284019365408.

The previous prime is 47284019365381. The next prime is 47284019365447. The reversal of 47284019365409 is 90456391048274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46027703434384 + 1256315931025 = 6784372^2 + 1120855^2 .

It is a cyclic number.

It is not a de Polignac number, because 47284019365409 - 2³² = 47279724398113 is a prime.

It is a super-4 number, since 4×47284019365409⁴ (a number of 56 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (47284019325409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23642009682704 + 23642009682705.

It is an arithmetic number, because the mean of its divisors is an integer number (23642009682705).

It is a 1-persistent number, because it is pandigital, but 2⋅47284019365409 = 94568038730818 is not.

Almost surely, 2^{47284019365409} is an apocalyptic number.

It is an amenable number.

47284019365409 is a deficient number, since it is larger than the sum of its proper divisors (1).

47284019365409 is an equidigital number, since it uses as much as digits as its factorization.

47284019365409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 47284019365409 in words is "forty-seven trillion, two hundred eighty-four billion, nineteen million, three hundred sixty-five thousand, four hundred nine".