43047512147 has 2 divisors, whose sum is σ = 43047512148. Its totient is φ = 43047512146.

The previous prime is 43047512117. The next prime is 43047512171. The reversal of 43047512147 is 74121574034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43047512147 - 2⁶ = 43047512083 is a prime.

It is a super-2 number, since 2×43047512147² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43047512147.

It is not a weakly prime, because it can be changed into another prime (43047512107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21523756073 + 21523756074.

It is an arithmetic number, because the mean of its divisors is an integer number (21523756074).

Almost surely, 2^43047512147 is an apocalyptic number.

43047512147 is a deficient number, since it is larger than the sum of its proper divisors (1).

43047512147 is an equidigital number, since it uses as much as digits as its factorization.

43047512147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 43047512147 in words is "forty-three billion, forty-seven million, five hundred twelve thousand, one hundred forty-seven".