68934453725 has 6 divisors (see below), whose sum is σ = 85478722650. Its totient is φ = 55147562960.

The previous prime is 68934453719. The next prime is 68934453727. The reversal of 68934453725 is 52735443986.

It can be written as a sum of positive squares in 3 ways, for example, as 19313772676 + 49620681049 = 138974^2 + 222757^2 .

It is a de Polignac number, because none of the positive numbers 2^k-68934453725 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68934453727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1378689050 + ... + 1378689099.

It is an arithmetic number, because the mean of its divisors is an integer number (14246453775).

Almost surely, 2^68934453725 is an apocalyptic number.

It is an amenable number.

68934453725 is a deficient number, since it is larger than the sum of its proper divisors (16544268925).

68934453725 is a wasteful number, since it uses less digits than its factorization.

68934453725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757378159 (or 2757378154 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 56.

The spelling of 68934453725 in words is "sixty-eight billion, nine hundred thirty-four million, four hundred fifty-three thousand, seven hundred twenty-five".