13704729617 has 2 divisors, whose sum is σ = 13704729618. Its totient is φ = 13704729616.

The previous prime is 13704729613. The next prime is 13704729637. The reversal of 13704729617 is 71692740731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10067312896 + 3637416721 = 100336^2 + 60311^2 .

It is a cyclic number.

It is not a de Polignac number, because 13704729617 - 2² = 13704729613 is a prime.

It is a super-2 number, since 2×13704729617² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13704729611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852364808 + 6852364809.

It is an arithmetic number, because the mean of its divisors is an integer number (6852364809).

Almost surely, 2^13704729617 is an apocalyptic number.

It is an amenable number.

13704729617 is a deficient number, since it is larger than the sum of its proper divisors (1).

13704729617 is an equidigital number, since it uses as much as digits as its factorization.

13704729617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 13704729617 in words is "thirteen billion, seven hundred four million, seven hundred twenty-nine thousand, six hundred seventeen".