117530351929 has 9 divisors (see below), whose sum is σ = 118479651951. Its totient is φ = 116588606160.

The previous prime is 117530351927. The next prime is 117530351959. The reversal of 117530351929 is 929153035711.

The square root of 117530351929 is 342827.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 114673663225 + 2856688704 = 338635^2 + 53448^2 .

It is not a de Polignac number, because 117530351929 - 2¹ = 117530351927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117530351927) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44909029 + ... + 44911645.

Almost surely, 2^117530351929 is an apocalyptic number.

117530351929 is the 342827-th square number.

117530351929 is the 171414-th centered octagonal number.

It is an amenable number.

117530351929 is a deficient number, since it is larger than the sum of its proper divisors (949300022).

117530351929 is an frugal number, since it uses more digits than its factorization.

117530351929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 46.

The spelling of 117530351929 in words is "one hundred seventeen billion, five hundred thirty million, three hundred fifty-one thousand, nine hundred twenty-nine".