68929509743 has 16 divisors (see below), whose sum is σ = 71119531392. Its totient is φ = 66778668000.

The previous prime is 68929509721. The next prime is 68929509793. The reversal of 68929509743 is 34790592986.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68929509743 - 2¹⁸ = 68929247599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68929509793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655288 + ... + 1696418.

It is an arithmetic number, because the mean of its divisors is an integer number (4444970712).

Almost surely, 2^68929509743 is an apocalyptic number.

68929509743 is a deficient number, since it is larger than the sum of its proper divisors (2190021649).

68929509743 is a wasteful number, since it uses less digits than its factorization.

68929509743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41606.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 68929509743 in words is "sixty-eight billion, nine hundred twenty-nine million, five hundred nine thousand, seven hundred forty-three".