43148617447 has 6 divisors (see below), whose sum is σ = 46723059312. Its totient is φ = 39829492872.

The previous prime is 43148617427. The next prime is 43148617453. The reversal of 43148617447 is 74471684134.

It is not a de Polignac number, because 43148617447 - 2⁷ = 43148617319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43148617447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43148617427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127658463 + ... + 127658800.

It is an arithmetic number, because the mean of its divisors is an integer number (7787176552).

Almost surely, 2^43148617447 is an apocalyptic number.

43148617447 is a deficient number, since it is larger than the sum of its proper divisors (3574441865).

43148617447 is a wasteful number, since it uses less digits than its factorization.

43148617447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255317289 (or 255317276 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 49.

The spelling of 43148617447 in words is "forty-three billion, one hundred forty-eight million, six hundred seventeen thousand, four hundred forty-seven".