918380738743 has 32 divisors (see below), whose sum is σ = 1000333990656. Its totient is φ = 838109161728.

The previous prime is 918380738741. The next prime is 918380738753. The reversal of 918380738743 is 347837083819.

It is a cyclic number.

It is not a de Polignac number, because 918380738743 - 2¹ = 918380738741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918380738741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513922296 + ... + 513924082.

It is an arithmetic number, because the mean of its divisors is an integer number (31260437208).

Almost surely, 2^918380738743 is an apocalyptic number.

918380738743 is a deficient number, since it is larger than the sum of its proper divisors (81953251913).

918380738743 is a wasteful number, since it uses less digits than its factorization.

918380738743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 918380738743 in words is "nine hundred eighteen billion, three hundred eighty million, seven hundred thirty-eight thousand, seven hundred forty-three".