68983234920 has 48 divisors (see below), whose sum is σ = 224195514660. Its totient is φ = 18395529216.

The previous prime is 68983234913. The next prime is 68983234927. The reversal of 68983234920 is 2943238986.

It is a happy number.

68983234920 is a `hidden beast` number, since 68 + 98 + 3 + 2 + 3 + 492 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (68983234913) and next prime (68983234927).

It can be written as a sum of positive squares in 2 ways, for example, as 61556587236 + 7426647684 = 248106^2 + 86178^2 .

It is not an unprimeable number, because it can be changed into a prime (68983234927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95809689 + ... + 95810408.

Almost surely, 2^68983234920 is an apocalyptic number.

68983234920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68983234920 is an abundant number, since it is smaller than the sum of its proper divisors (155212279740).

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

68983234920 is a wasteful number, since it uses less digits than its factorization.

68983234920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191620114 (or 191620107 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 68983234920 in words is "sixty-eight billion, nine hundred eighty-three million, two hundred thirty-four thousand, nine hundred twenty".