18739005350 has 48 divisors (see below), whose sum is σ = 37752864912. Its totient is φ = 6878981760.

The previous prime is 18739005343. The next prime is 18739005359. The reversal of 18739005350 is 5350093781.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18739005298 and 18739005307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18739005359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29129 + ... + 195771.

It is an arithmetic number, because the mean of its divisors is an integer number (786518019).

Almost surely, 2^18739005350 is an apocalyptic number.

18739005350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18739005350 is an abundant number, since it is smaller than the sum of its proper divisors (19013859562).

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

18739005350 is a wasteful number, since it uses less digits than its factorization.

18739005350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166841 (or 166836 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 18739005350 in words is "eighteen billion, seven hundred thirty-nine million, five thousand, three hundred fifty".