43432460447 has 2 divisors, whose sum is σ = 43432460448. Its totient is φ = 43432460446.

The previous prime is 43432460443. The next prime is 43432460507. The reversal of 43432460447 is 74406423434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43432460447 - 2² = 43432460443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43432460443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21716230223 + 21716230224.

It is an arithmetic number, because the mean of its divisors is an integer number (21716230224).

Almost surely, 2^43432460447 is an apocalyptic number.

43432460447 is a deficient number, since it is larger than the sum of its proper divisors (1).

43432460447 is an equidigital number, since it uses as much as digits as its factorization.

43432460447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 41.

The spelling of 43432460447 in words is "forty-three billion, four hundred thirty-two million, four hundred sixty thousand, four hundred forty-seven".