68130693248 has 24 divisors (see below), whose sum is σ = 135734998815. Its totient is φ = 34063870080.

The previous prime is 68130693233. The next prime is 68130693277. The reversal of 68130693248 is 84239603186.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 34065346624 + 34065346624 = 184568^2 + 184568^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=184568.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68130693196 and 68130693205.

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 2 ways as a sum of consecutive naturals, for example, 2941553 + ... + 2964623.

Almost surely, 2^68130693248 is an apocalyptic number.

It is an amenable number.

68130693248 is a deficient number, since it is larger than the sum of its proper divisors (67604305567).

68130693248 is an frugal number, since it uses more digits than its factorization.

68130693248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46156 (or 23073 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

Multiplying 68130693248 by its sum of digits (50), we get a square (3406534662400 = 1845680²).

The spelling of 68130693248 in words is "sixty-eight billion, one hundred thirty million, six hundred ninety-three thousand, two hundred forty-eight".