1018923089210 has 16 divisors (see below), whose sum is σ = 1975143219336. Its totient is φ = 376217755968.

The previous prime is 1018923089203. The next prime is 1018923089213. The reversal of 1018923089210 is 129803298101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 600403370449 + 418519718761 = 774857^2 + 646931^2 .

It is not an unprimeable number, because it can be changed into a prime (1018923089213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918934829 + ... + 3918935088.

Almost surely, 2^{1018923089210} is an apocalyptic number.

1018923089210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1018923089210 is a deficient number, since it is larger than the sum of its proper divisors (956220130126).

1018923089210 is a wasteful number, since it uses less digits than its factorization.

1018923089210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837869937.

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 1018923089210 in words is "one trillion, eighteen billion, nine hundred twenty-three million, eighty-nine thousand, two hundred ten".