68940536710 has 32 divisors (see below), whose sum is σ = 126858493440. Its totient is φ = 26962813152.

The previous prime is 68940536669. The next prime is 68940536741. The reversal of 68940536710 is 1763504986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406957 + ... + 550903.

It is an arithmetic number, because the mean of its divisors is an integer number (3964327920).

Almost surely, 2^68940536710 is an apocalyptic number.

68940536710 is a deficient number, since it is larger than the sum of its proper divisors (57917956730).

68940536710 is a wasteful number, since it uses less digits than its factorization.

68940536710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145020.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 68940536710 in words is "sixty-eight billion, nine hundred forty million, five hundred thirty-six thousand, seven hundred ten".