43440699047 has 2 divisors, whose sum is σ = 43440699048. Its totient is φ = 43440699046.

The previous prime is 43440699041. The next prime is 43440699053. The reversal of 43440699047 is 74099604434.

It is a happy number.

43440699047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (43440699041) and next prime (43440699053).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43440699047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43440698986 and 43440699004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43440699041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21720349523 + 21720349524.

It is an arithmetic number, because the mean of its divisors is an integer number (21720349524).

Almost surely, 2^43440699047 is an apocalyptic number.

43440699047 is a deficient number, since it is larger than the sum of its proper divisors (1).

43440699047 is an equidigital number, since it uses as much as digits as its factorization.

43440699047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 43440699047 in words is "forty-three billion, four hundred forty million, six hundred ninety-nine thousand, forty-seven".