1818795930 has 32 divisors (see below), whose sum is σ = 4988697984. Its totient is φ = 415724736.

The previous prime is 1818795917. The next prime is 1818795931. The reversal of 1818795930 is 395978181.

It is not an unprimeable number, because it can be changed into a prime (1818795931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4330257 + ... + 4330676.

It is an arithmetic number, because the mean of its divisors is an integer number (155896812).

Almost surely, 2^1818795930 is an apocalyptic number.

1818795930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1818795930 is an abundant number, since it is smaller than the sum of its proper divisors (3169902054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1818795930 is a wasteful number, since it uses less digits than its factorization.

1818795930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660950.

The product of its (nonzero) digits is 544320, while the sum is 51.

The square root of 1818795930 is about 42647.3437625370. The cubic root of 1818795930 is about 1220.6598441659.

The spelling of 1818795930 in words is "one billion, eight hundred eighteen million, seven hundred ninety-five thousand, nine hundred thirty".