918649941 has 8 divisors (see below), whose sum is σ = 1336218144. Its totient is φ = 556757520.

The previous prime is 918649937. The next prime is 918649951. The reversal of 918649941 is 149946819.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 918649941 - 2² = 918649937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918649951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13918906 + ... + 13918971.

It is an arithmetic number, because the mean of its divisors is an integer number (167027268).

Almost surely, 2^918649941 is an apocalyptic number.

It is an amenable number.

918649941 is a deficient number, since it is larger than the sum of its proper divisors (417568203).

918649941 is a wasteful number, since it uses less digits than its factorization.

918649941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27837891.

The product of its digits is 559872, while the sum is 51.

The square root of 918649941 is about 30309.2385420683. The cubic root of 918649941 is about 972.1128497318.

The spelling of 918649941 in words is "nine hundred eighteen million, six hundred forty-nine thousand, nine hundred forty-one".