13935666642 has 8 divisors (see below), whose sum is σ = 27871333296. Its totient is φ = 4645222212.

The previous prime is 13935666637. The next prime is 13935666659. The reversal of 13935666642 is 24666653931.

It is a sphenic number, since it is the product of 3 distinct primes.

13935666642 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161305548 + ... + 1161305559.

It is an arithmetic number, because the mean of its divisors is an integer number (3483916662).

Almost surely, 2^13935666642 is an apocalyptic number.

13935666642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13935666642 is a wasteful number, since it uses less digits than its factorization.

13935666642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322611112.

The product of its digits is 4199040, while the sum is 51.

The spelling of 13935666642 in words is "thirteen billion, nine hundred thirty-five million, six hundred sixty-six thousand, six hundred forty-two".