918641369141 has 4 divisors (see below), whose sum is σ = 919749501900. Its totient is φ = 917533236384.

The previous prime is 918641369131. The next prime is 918641369147. The reversal of 918641369141 is 141963146819.

918641369141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 790152099025 + 128489270116 = 888905^2 + 358454^2 .

It is a cyclic number.

It is not a de Polignac number, because 918641369141 - 2⁶ = 918641369077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918641369147) 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, 554065136 + ... + 554066793.

It is an arithmetic number, because the mean of its divisors is an integer number (229937375475).

Almost surely, 2^918641369141 is an apocalyptic number.

It is an amenable number.

918641369141 is a deficient number, since it is larger than the sum of its proper divisors (1108132759).

918641369141 is a wasteful number, since it uses less digits than its factorization.

918641369141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108132758.

The product of its digits is 1119744, while the sum is 53.

The spelling of 918641369141 in words is "nine hundred eighteen billion, six hundred forty-one million, three hundred sixty-nine thousand, one hundred forty-one".