918038041 has 2 divisors, whose sum is σ = 918038042. Its totient is φ = 918038040.

The previous prime is 918037993. The next prime is 918038047. The reversal of 918038041 is 140830819.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560979225 + 357058816 = 23685^2 + 18896^2 .

It is an emirp because it is prime and its reverse (140830819) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 918038041 - 2²¹ = 915940889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 918037988 and 918038006.

It is not a weakly prime, because it can be changed into another prime (918038047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459019020 + 459019021.

It is an arithmetic number, because the mean of its divisors is an integer number (459019021).

Almost surely, 2^918038041 is an apocalyptic number.

It is an amenable number.

918038041 is a deficient number, since it is larger than the sum of its proper divisors (1).

918038041 is an equidigital number, since it uses as much as digits as its factorization.

918038041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 918038041 is about 30299.1425786275. The cubic root of 918038041 is about 971.8969648245.

The spelling of 918038041 in words is "nine hundred eighteen million, thirty-eight thousand, forty-one".