18668969962 has 8 divisors (see below), whose sum is σ = 28007576100. Its totient is φ = 9333111264.

The previous prime is 18668969929. The next prime is 18668969983. The reversal of 18668969962 is 26996986681.

It can be written as a sum of positive squares in 2 ways, for example, as 16484248881 + 2184721081 = 128391^2 + 46741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18668969891 and 18668969900.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 669787 + ... + 697102.

Almost surely, 2^18668969962 is an apocalyptic number.

18668969962 is a deficient number, since it is larger than the sum of its proper divisors (9338606138).

18668969962 is a wasteful number, since it uses less digits than its factorization.

18668969962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373720.

The product of its digits is 120932352, while the sum is 70.

The spelling of 18668969962 in words is "eighteen billion, six hundred sixty-eight million, nine hundred sixty-nine thousand, nine hundred sixty-two".