68405003325 has 72 divisors (see below), whose sum is σ = 129991680000. Its totient is φ = 34266862080.

The previous prime is 68405003323. The next prime is 68405003339. The reversal of 68405003325 is 52330050486.

It is a happy number.

68405003325 is a `hidden beast` number, since 68 + 40 + 500 + 33 + 25 = 666.

It is not a de Polignac number, because 68405003325 - 2¹ = 68405003323 is a prime.

It is a super-2 number, since 2×68405003325² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68405003325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68405003323) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1890756 + ... + 1926594.

It is an arithmetic number, because the mean of its divisors is an integer number (1805440000).

Almost surely, 2^68405003325 is an apocalyptic number.

It is an amenable number.

68405003325 is a deficient number, since it is larger than the sum of its proper divisors (61586676675).

68405003325 is a wasteful number, since it uses less digits than its factorization.

68405003325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36371 (or 36363 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 68405003325 in words is "sixty-eight billion, four hundred five million, three thousand, three hundred twenty-five".