68002051244929 has 4 divisors (see below), whose sum is σ = 68003111307076. Its totient is φ = 68000991182784.

The previous prime is 68002051244921. The next prime is 68002051244951. The reversal of 68002051244929 is 92944215020086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52342041648400 + 15660009596529 = 7234780^2 + 3957273^2 .

It is a cyclic number.

It is not a de Polignac number, because 68002051244929 - 2³ = 68002051244921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68002051244921) 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, 529934844 + ... + 530063149.

It is an arithmetic number, because the mean of its divisors is an integer number (17000777826769).

Almost surely, 2^{68002051244929} is an apocalyptic number.

It is an amenable number.

68002051244929 is a deficient number, since it is larger than the sum of its proper divisors (1060062147).

68002051244929 is a wasteful number, since it uses less digits than its factorization.

68002051244929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060062146.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 68002051244929 in words is "sixty-eight trillion, two billion, fifty-one million, two hundred forty-four thousand, nine hundred twenty-nine".