13708656442 has 8 divisors (see below), whose sum is σ = 22144752756. Its totient is φ = 6327072192.

The previous prime is 13708656433. The next prime is 13708656449. The reversal of 13708656442 is 24465680731.

It can be written as a sum of positive squares in 2 ways, for example, as 10341059481 + 3367596961 = 101691^2 + 58031^2 .

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

It is a super-2 number, since 2×13708656442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13708656392 and 13708656401.

It is not an unprimeable number, because it can be changed into a prime (13708656449) 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 in 3 ways as a sum of consecutive naturals, for example, 263627983 + ... + 263628034.

Almost surely, 2^13708656442 is an apocalyptic number.

13708656442 is a deficient number, since it is larger than the sum of its proper divisors (8436096314).

13708656442 is a wasteful number, since it uses less digits than its factorization.

13708656442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527256032.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 13708656442 in words is "thirteen billion, seven hundred eight million, six hundred fifty-six thousand, four hundred forty-two".