918248099 has 2 divisors, whose sum is σ = 918248100. Its totient is φ = 918248098.

The previous prime is 918248087. The next prime is 918248143. The reversal of 918248099 is 990842819.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-918248099 is a prime.

It is a super-2 number, since 2×918248099² = 1686359142634227602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (918248059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459124049 + 459124050.

It is an arithmetic number, because the mean of its divisors is an integer number (459124050).

Almost surely, 2^918248099 is an apocalyptic number.

918248099 is a deficient number, since it is larger than the sum of its proper divisors (1).

918248099 is an equidigital number, since it uses as much as digits as its factorization.

918248099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 918248099 is about 30302.6087820834. The cubic root of 918248099 is about 971.9710863585.

The spelling of 918248099 in words is "nine hundred eighteen million, two hundred forty-eight thousand, ninety-nine".