18419510952 has 48 divisors (see below), whose sum is σ = 49925128500. Its totient is φ = 6135042816.

The previous prime is 18419510939. The next prime is 18419510953. The reversal of 18419510952 is 25901591481.

18419510952 is a `hidden beast` number, since 1 + 8 + 41 + 9 + 510 + 95 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17772622596 + 646888356 = 133314^2 + 25434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18419510898 and 18419510907.

It is not an unprimeable number, because it can be changed into a prime (18419510953) 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 11 ways as a sum of consecutive naturals, for example, 6427 + ... + 192042.

Almost surely, 2^18419510952 is an apocalyptic number.

18419510952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18419510952 is an abundant number, since it is smaller than the sum of its proper divisors (31505617548).

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

18419510952 is a wasteful number, since it uses less digits than its factorization.

18419510952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199770 (or 199763 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The spelling of 18419510952 in words is "eighteen billion, four hundred nineteen million, five hundred ten thousand, nine hundred fifty-two".