10033640786021 has 4 divisors (see below), whose sum is σ = 10561727143200. Its totient is φ = 9505554428844.

The previous prime is 10033640785981. The next prime is 10033640786027. The reversal of 10033640786021 is 12068704633001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10033640786021 - 2¹⁴ = 10033640769637 is a prime.

It is a super-2 number, since 2×10033640786021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10033640786021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033640786027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264043178561 + ... + 264043178598.

It is an arithmetic number, because the mean of its divisors is an integer number (2640431785800).

Almost surely, 2^{10033640786021} is an apocalyptic number.

It is an amenable number.

10033640786021 is a deficient number, since it is larger than the sum of its proper divisors (528086357179).

10033640786021 is an equidigital number, since it uses as much as digits as its factorization.

10033640786021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528086357178.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 10033640786021 in words is "ten trillion, thirty-three billion, six hundred forty million, seven hundred eighty-six thousand, twenty-one".