43478481247 has 2 divisors, whose sum is σ = 43478481248. Its totient is φ = 43478481246.

The previous prime is 43478481203. The next prime is 43478481269. The reversal of 43478481247 is 74218487434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43478481247 - 2¹⁵ = 43478448479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43478481194 and 43478481203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43478481847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21739240623 + 21739240624.

It is an arithmetic number, because the mean of its divisors is an integer number (21739240624).

Almost surely, 2^43478481247 is an apocalyptic number.

43478481247 is a deficient number, since it is larger than the sum of its proper divisors (1).

43478481247 is an equidigital number, since it uses as much as digits as its factorization.

43478481247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4816896, while the sum is 52.

The spelling of 43478481247 in words is "forty-three billion, four hundred seventy-eight million, four hundred eighty-one thousand, two hundred forty-seven".