47227218743251 has 2 divisors, whose sum is σ = 47227218743252. Its totient is φ = 47227218743250.

The previous prime is 47227218743239. The next prime is 47227218743339. The reversal of 47227218743251 is 15234781272274.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47227218743251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47227218743192 and 47227218743201.

It is not a weakly prime, because it can be changed into another prime (47227218743051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23613609371625 + 23613609371626.

It is an arithmetic number, because the mean of its divisors is an integer number (23613609371626).

Almost surely, 2^{47227218743251} is an apocalyptic number.

47227218743251 is a deficient number, since it is larger than the sum of its proper divisors (1).

47227218743251 is an equidigital number, since it uses as much as digits as its factorization.

47227218743251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10536960, while the sum is 55.

The spelling of 47227218743251 in words is "forty-seven trillion, two hundred twenty-seven billion, two hundred eighteen million, seven hundred forty-three thousand, two hundred fifty-one".