118403681729 has 4 divisors (see below), whose sum is σ = 118416629760. Its totient is φ = 118390733700.

The previous prime is 118403681707. The next prime is 118403681731. The reversal of 118403681729 is 927186304811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118403681729 is a prime.

It is a super-3 number, since 3×118403681729³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118403681329) 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, 6460289 + ... + 6478590.

It is an arithmetic number, because the mean of its divisors is an integer number (29604157440).

Almost surely, 2^118403681729 is an apocalyptic number.

It is an amenable number.

118403681729 is a deficient number, since it is larger than the sum of its proper divisors (12948031).

118403681729 is an equidigital number, since it uses as much as digits as its factorization.

118403681729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948030.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 118403681729 in words is "one hundred eighteen billion, four hundred three million, six hundred eighty-one thousand, seven hundred twenty-nine".