117946659729 has 16 divisors (see below), whose sum is σ = 162350280704. Its totient is φ = 76087544400.

The previous prime is 117946659709. The next prime is 117946659731. The reversal of 117946659729 is 927956649711.

It is not a de Polignac number, because 117946659729 - 2²¹ = 117944562577 is a prime.

It is a super-2 number, since 2×117946659729² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117946659729.

It is not an unprimeable number, because it can be changed into a prime (117946659709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060332 + ... + 1166274.

It is an arithmetic number, because the mean of its divisors is an integer number (10146892544).

Almost surely, 2^117946659729 is an apocalyptic number.

It is an amenable number.

117946659729 is a deficient number, since it is larger than the sum of its proper divisors (44403620975).

117946659729 is a wasteful number, since it uses less digits than its factorization.

117946659729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117948.

The product of its digits is 51438240, while the sum is 66.

The spelling of 117946659729 in words is "one hundred seventeen billion, nine hundred forty-six million, six hundred fifty-nine thousand, seven hundred twenty-nine".