39447046343 has 2 divisors, whose sum is σ = 39447046344. Its totient is φ = 39447046342.

The previous prime is 39447046283. The next prime is 39447046361. The reversal of 39447046343 is 34364074493.

39447046343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39447046343 - 2⁸ = 39447046087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39447046363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19723523171 + 19723523172.

It is an arithmetic number, because the mean of its divisors is an integer number (19723523172).

Almost surely, 2^39447046343 is an apocalyptic number.

39447046343 is a deficient number, since it is larger than the sum of its proper divisors (1).

39447046343 is an equidigital number, since it uses as much as digits as its factorization.

39447046343 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 47.

The spelling of 39447046343 in words is "thirty-nine billion, four hundred forty-seven million, forty-six thousand, three hundred forty-three".