13068033138821 has 32 divisors (see below), whose sum is σ = 14332593171456. Its totient is φ = 11885711040000.

The previous prime is 13068033138799. The next prime is 13068033138833. The reversal of 13068033138821 is 12883133086031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13068033138821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13068033138871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3374066 + ... + 6125388.

It is an arithmetic number, because the mean of its divisors is an integer number (447893536608).

Almost surely, 2^{13068033138821} is an apocalyptic number.

It is an amenable number.

13068033138821 is a deficient number, since it is larger than the sum of its proper divisors (1264560032635).

13068033138821 is a wasteful number, since it uses less digits than its factorization.

13068033138821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751533.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 13068033138821 in words is "thirteen trillion, sixty-eight billion, thirty-three million, one hundred thirty-eight thousand, eight hundred twenty-one".