918332413 has 2 divisors, whose sum is σ = 918332414. Its totient is φ = 918332412.

The previous prime is 918332353. The next prime is 918332449. The reversal of 918332413 is 314233819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917968804 + 363609 = 30298^2 + 603^2 .

It is a cyclic number.

It is not a de Polignac number, because 918332413 - 2²⁵ = 884777981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918332713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459166206 + 459166207.

It is an arithmetic number, because the mean of its divisors is an integer number (459166207).

Almost surely, 2^918332413 is an apocalyptic number.

It is an amenable number.

918332413 is a deficient number, since it is larger than the sum of its proper divisors (1).

918332413 is an equidigital number, since it uses as much as digits as its factorization.

918332413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 918332413 is about 30303.9999505016. Note that the first 4 decimals coincide. The cubic root of 918332413 is about 972.0008344052. Note that the first 3 decimals are identical.

The spelling of 918332413 in words is "nine hundred eighteen million, three hundred thirty-two thousand, four hundred thirteen".