39698649268 has 12 divisors (see below), whose sum is σ = 69610756320. Its totient is φ = 19809861752.

The previous prime is 39698649247. The next prime is 39698649293. The reversal of 39698649268 is 86294689693.

It is a junction number, because it is equal to n+sod(n) for n = 39698649197 and 39698649206.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 9863458 + ... + 9867481.

It is an arithmetic number, because the mean of its divisors is an integer number (5800896360).

Almost surely, 2^39698649268 is an apocalyptic number.

It is an amenable number.

39698649268 is a deficient number, since it is larger than the sum of its proper divisors (29912107052).

39698649268 is a wasteful number, since it uses less digits than its factorization.

39698649268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19731446 (or 19731444 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 70.

The spelling of 39698649268 in words is "thirty-nine billion, six hundred ninety-eight million, six hundred forty-nine thousand, two hundred sixty-eight".