68946969760 has 24 divisors (see below), whose sum is σ = 162887216436. Its totient is φ = 27578787840.

The previous prime is 68946969727. The next prime is 68946969803. The reversal of 68946969760 is 6796964986.

It can be written as a sum of positive squares in 2 ways, for example, as 56935686544 + 12011283216 = 238612^2 + 109596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68946969760.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215459121 + ... + 215459440.

Almost surely, 2^68946969760 is an apocalyptic number.

It is an amenable number.

68946969760 is an abundant number, since it is smaller than the sum of its proper divisors (93940246676).

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

68946969760 is a wasteful number, since it uses less digits than its factorization.

68946969760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430918576 (or 430918568 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 70.

The spelling of 68946969760 in words is "sixty-eight billion, nine hundred forty-six million, nine hundred sixty-nine thousand, seven hundred sixty".