68646285430235 has 32 divisors (see below), whose sum is σ = 87759737694720. Its totient is φ = 51400435161600.

The previous prime is 68646285430223. The next prime is 68646285430237. The reversal of 68646285430235 is 53203458264686.

It is not a de Polignac number, because 68646285430235 - 2²⁰ = 68646284381659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68646285430237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6942161 + ... + 13619330.

It is an arithmetic number, because the mean of its divisors is an integer number (2742491802960).

Almost surely, 2^{68646285430235} is an apocalyptic number.

68646285430235 is a deficient number, since it is larger than the sum of its proper divisors (19113452264485).

68646285430235 is a wasteful number, since it uses less digits than its factorization.

68646285430235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20561939.

The product of its (nonzero) digits is 199065600, while the sum is 62.

The spelling of 68646285430235 in words is "sixty-eight trillion, six hundred forty-six billion, two hundred eighty-five million, four hundred thirty thousand, two hundred thirty-five".