39449630543 has 2 divisors, whose sum is σ = 39449630544. Its totient is φ = 39449630542.

The previous prime is 39449630497. The next prime is 39449630557. The reversal of 39449630543 is 34503694493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39449630543 - 2³⁴ = 22269761359 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 39449630491 and 39449630500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39449630743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19724815271 + 19724815272.

It is an arithmetic number, because the mean of its divisors is an integer number (19724815272).

Almost surely, 2^39449630543 is an apocalyptic number.

39449630543 is a deficient number, since it is larger than the sum of its proper divisors (1).

39449630543 is an equidigital number, since it uses as much as digits as its factorization.

39449630543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 39449630543 in words is "thirty-nine billion, four hundred forty-nine million, six hundred thirty thousand, five hundred forty-three".