39985560103 has 2 divisors, whose sum is σ = 39985560104. Its totient is φ = 39985560102.

The previous prime is 39985560101. The next prime is 39985560133. The reversal of 39985560103 is 30106558993.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39985560103 - 2¹ = 39985560101 is a prime.

Together with 39985560101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39985560101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19992780051 + 19992780052.

It is an arithmetic number, because the mean of its divisors is an integer number (19992780052).

Almost surely, 2^39985560103 is an apocalyptic number.

39985560103 is a deficient number, since it is larger than the sum of its proper divisors (1).

39985560103 is an equidigital number, since it uses as much as digits as its factorization.

39985560103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 39985560103 in words is "thirty-nine billion, nine hundred eighty-five million, five hundred sixty thousand, one hundred three".