13730605642 has 16 divisors (see below), whose sum is σ = 23144567040. Its totient is φ = 6061671792.

The previous prime is 13730605639. The next prime is 13730605769. The reversal of 13730605642 is 24650603731.

It is a super-2 number, since 2×13730605642² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11479842 + ... + 11481037.

It is an arithmetic number, because the mean of its divisors is an integer number (1446535440).

Almost surely, 2^13730605642 is an apocalyptic number.

13730605642 is a deficient number, since it is larger than the sum of its proper divisors (9413961398).

13730605642 is a wasteful number, since it uses less digits than its factorization.

13730605642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22960917.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 13730605642 in words is "thirteen billion, seven hundred thirty million, six hundred five thousand, six hundred forty-two".