33010221379 has 2 divisors, whose sum is σ = 33010221380. Its totient is φ = 33010221378.

The previous prime is 33010221371. The next prime is 33010221407. The reversal of 33010221379 is 97312201033.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97312201033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33010221379 - 2³ = 33010221371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33010221379.

It is not a weakly prime, because it can be changed into another prime (33010221371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16505110689 + 16505110690.

It is an arithmetic number, because the mean of its divisors is an integer number (16505110690).

Almost surely, 2^33010221379 is an apocalyptic number.

33010221379 is a deficient number, since it is larger than the sum of its proper divisors (1).

33010221379 is an equidigital number, since it uses as much as digits as its factorization.

33010221379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 33010221379 in words is "thirty-three billion, ten million, two hundred twenty-one thousand, three hundred seventy-nine".