68006209525 has 24 divisors (see below), whose sum is σ = 84600906624. Its totient is φ = 54228979200.

The previous prime is 68006209429. The next prime is 68006209543. The reversal of 68006209525 is 52590260086.

It is not a de Polignac number, because 68006209525 - 2²⁷ = 67871991797 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12874885 + ... + 12880165.

It is an arithmetic number, because the mean of its divisors is an integer number (3525037776).

Almost surely, 2^68006209525 is an apocalyptic number.

It is an amenable number.

68006209525 is a deficient number, since it is larger than the sum of its proper divisors (16594697099).

68006209525 is a wasteful number, since it uses less digits than its factorization.

68006209525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861 (or 6856 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 68006209525 in words is "sixty-eight billion, six million, two hundred nine thousand, five hundred twenty-five".