918409840941 has 16 divisors (see below), whose sum is σ = 1259358162944. Its totient is φ = 594912527424.

The previous prime is 918409840937. The next prime is 918409840963. The reversal of 918409840941 is 149048904819.

It is not a de Polignac number, because 918409840941 - 2² = 918409840937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918409840991) 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, 5562541 + ... + 5725266.

It is an arithmetic number, because the mean of its divisors is an integer number (78709885184).

Almost surely, 2^918409840941 is an apocalyptic number.

It is an amenable number.

918409840941 is a deficient number, since it is larger than the sum of its proper divisors (340948322003).

918409840941 is a wasteful number, since it uses less digits than its factorization.

918409840941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11288580.

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 918409840941 in words is "nine hundred eighteen billion, four hundred nine million, eight hundred forty thousand, nine hundred forty-one".