918412429 has 4 divisors (see below), whose sum is σ = 1001904480. Its totient is φ = 834920380.

The previous prime is 918412387. The next prime is 918412433. The reversal of 918412429 is 924214819.

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 not a de Polignac number, because 918412429 - 2⁹ = 918411917 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 918412391 and 918412400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918412459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41746009 + ... + 41746030.

It is an arithmetic number, because the mean of its divisors is an integer number (250476120).

Almost surely, 2^918412429 is an apocalyptic number.

It is an amenable number.

918412429 is a deficient number, since it is larger than the sum of its proper divisors (83492051).

918412429 is a wasteful number, since it uses less digits than its factorization.

918412429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83492050.

The product of its digits is 41472, while the sum is 40.

The square root of 918412429 is about 30305.3201434996. The cubic root of 918412429 is about 972.0290643282.

The spelling of 918412429 in words is "nine hundred eighteen million, four hundred twelve thousand, four hundred twenty-nine".