68523097684 has 24 divisors (see below), whose sum is σ = 127514231208. Its totient is φ = 32107760640.

The previous prime is 68523097627. The next prime is 68523097697. The reversal of 68523097684 is 48679032586.

It can be written as a sum of positive squares in 4 ways, for example, as 26625101584 + 41897996100 = 163172^2 + 204690^2 .

It is a super-2 number, since 2×68523097684² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2146587 + ... + 2178274.

It is an arithmetic number, because the mean of its divisors is an integer number (5313092967).

Almost surely, 2^68523097684 is an apocalyptic number.

It is an amenable number.

68523097684 is a deficient number, since it is larger than the sum of its proper divisors (58991133524).

68523097684 is a wasteful number, since it uses less digits than its factorization.

68523097684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325115 (or 4325113 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 68523097684 in words is "sixty-eight billion, five hundred twenty-three million, ninety-seven thousand, six hundred eighty-four".