43047319487 has 2 divisors, whose sum is σ = 43047319488. Its totient is φ = 43047319486.

The previous prime is 43047319477. The next prime is 43047319519. The reversal of 43047319487 is 78491374034.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43047319487 - 2⁶ = 43047319423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43047319457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21523659743 + 21523659744.

It is an arithmetic number, because the mean of its divisors is an integer number (21523659744).

Almost surely, 2^43047319487 is an apocalyptic number.

43047319487 is a deficient number, since it is larger than the sum of its proper divisors (1).

43047319487 is an equidigital number, since it uses as much as digits as its factorization.

43047319487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 43047319487 in words is "forty-three billion, forty-seven million, three hundred nineteen thousand, four hundred eighty-seven".