68993033502 has 32 divisors (see below), whose sum is σ = 139788633600. Its totient is φ = 22697483328.

The previous prime is 68993033437. The next prime is 68993033503. The reversal of 68993033502 is 20533039986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68993033503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212649 + ... + 1268267.

It is an arithmetic number, because the mean of its divisors is an integer number (4368394800).

Almost surely, 2^68993033502 is an apocalyptic number.

68993033502 is an abundant number, since it is smaller than the sum of its proper divisors (70795600098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68993033502 is a wasteful number, since it uses less digits than its factorization.

68993033502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58320.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 68993033502 in words is "sixty-eight billion, nine hundred ninety-three million, thirty-three thousand, five hundred two".