33996866380493 has 4 divisors (see below), whose sum is σ = 33996942321888. Its totient is φ = 33996790439100.

The previous prime is 33996866380471. The next prime is 33996866380501. The reversal of 33996866380493 is 39408366869933.

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 33996866380493 - 2²⁰ = 33996865331917 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 (33996866380403) 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, 37295183 + ... + 38195868.

It is an arithmetic number, because the mean of its divisors is an integer number (8499235580472).

Almost surely, 2^{33996866380493} is an apocalyptic number.

It is an amenable number.

33996866380493 is a deficient number, since it is larger than the sum of its proper divisors (75941395).

33996866380493 is an equidigital number, since it uses as much as digits as its factorization.

33996866380493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75941394.

The product of its (nonzero) digits is 3265173504, while the sum is 77.

The spelling of 33996866380493 in words is "thirty-three trillion, nine hundred ninety-six billion, eight hundred sixty-six million, three hundred eighty thousand, four hundred ninety-three".