39674769443 has 2 divisors, whose sum is σ = 39674769444. Its totient is φ = 39674769442.

The previous prime is 39674769397. The next prime is 39674769481. The reversal of 39674769443 is 34496747693.

It is a strong prime.

It is an emirp because it is prime and its reverse (34496747693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39674769443 is a prime.

It is not a weakly prime, because it can be changed into another prime (39674760443) 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, 19837384721 + 19837384722.

It is an arithmetic number, because the mean of its divisors is an integer number (19837384722).

Almost surely, 2^39674769443 is an apocalyptic number.

39674769443 is a deficient number, since it is larger than the sum of its proper divisors (1).

39674769443 is an equidigital number, since it uses as much as digits as its factorization.

39674769443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 62.

The spelling of 39674769443 in words is "thirty-nine billion, six hundred seventy-four million, seven hundred sixty-nine thousand, four hundred forty-three".