13709708402 has 8 divisors (see below), whose sum is σ = 22146452076. Its totient is φ = 6327557712.

The previous prime is 13709708377. The next prime is 13709708407. The reversal of 13709708402 is 20480790731.

It can be written as a sum of positive squares in 2 ways, for example, as 12102420121 + 1607288281 = 110011^2 + 40091^2 .

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

It is a super-2 number, since 2×13709708402² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13709708402.

It is not an unprimeable number, because it can be changed into a prime (13709708407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263648213 + ... + 263648264.

Almost surely, 2^13709708402 is an apocalyptic number.

13709708402 is a deficient number, since it is larger than the sum of its proper divisors (8436743674).

13709708402 is a wasteful number, since it uses less digits than its factorization.

13709708402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527296492.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 13709708402 in words is "thirteen billion, seven hundred nine million, seven hundred eight thousand, four hundred two".