68200972829 has 4 divisors (see below), whose sum is σ = 74401061280. Its totient is φ = 62000884380.

The previous prime is 68200972823. The next prime is 68200972849. The reversal of 68200972829 is 92827900286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68200972829 - 2¹² = 68200968733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68200972823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3100044209 + ... + 3100044230.

It is an arithmetic number, because the mean of its divisors is an integer number (18600265320).

Almost surely, 2^68200972829 is an apocalyptic number.

It is an amenable number.

68200972829 is a deficient number, since it is larger than the sum of its proper divisors (6200088451).

68200972829 is a wasteful number, since it uses less digits than its factorization.

68200972829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200088450.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 68200972829 in words is "sixty-eight billion, two hundred million, nine hundred seventy-two thousand, eight hundred twenty-nine".