43780019147 has 2 divisors, whose sum is σ = 43780019148. Its totient is φ = 43780019146.

The previous prime is 43780019119. The next prime is 43780019159. The reversal of 43780019147 is 74191008734.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43780019147 - 2²⁴ = 43763241931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43780019098 and 43780019107.

It is not a weakly prime, because it can be changed into another prime (43780099147) 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, 21890009573 + 21890009574.

It is an arithmetic number, because the mean of its divisors is an integer number (21890009574).

Almost surely, 2^43780019147 is an apocalyptic number.

43780019147 is a deficient number, since it is larger than the sum of its proper divisors (1).

43780019147 is an equidigital number, since it uses as much as digits as its factorization.

43780019147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 43780019147 in words is "forty-three billion, seven hundred eighty million, nineteen thousand, one hundred forty-seven".