918049373 has 2 divisors, whose sum is σ = 918049374. Its totient is φ = 918049372.

The previous prime is 918049309. The next prime is 918049417. The reversal of 918049373 is 373940819.

It is a happy number.

It is an a-pointer prime, because the next prime (918049417) can be obtained adding 918049373 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897781369 + 20268004 = 29963^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 918049373 - 2⁶ = 918049309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918049303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459024686 + 459024687.

It is an arithmetic number, because the mean of its divisors is an integer number (459024687).

Almost surely, 2^918049373 is an apocalyptic number.

It is an amenable number.

918049373 is a deficient number, since it is larger than the sum of its proper divisors (1).

918049373 is an equidigital number, since it uses as much as digits as its factorization.

918049373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 918049373 is about 30299.3295800419. The cubic root of 918049373 is about 971.9009637477.

The spelling of 918049373 in words is "nine hundred eighteen million, forty-nine thousand, three hundred seventy-three".