33340543349 has 4 divisors (see below), whose sum is σ = 33490052736. Its totient is φ = 33191033964.

The previous prime is 33340543337. The next prime is 33340543373. The reversal of 33340543349 is 94334504333.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94334504333 = 7951 ⋅11864483.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33340543349 is a prime.

It is a super-2 number, since 2×33340543349² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33340543399) 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, 74754359 + ... + 74754804.

It is an arithmetic number, because the mean of its divisors is an integer number (8372513184).

Almost surely, 2^33340543349 is an apocalyptic number.

It is an amenable number.

33340543349 is a deficient number, since it is larger than the sum of its proper divisors (149509387).

33340543349 is a wasteful number, since it uses less digits than its factorization.

33340543349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149509386.

The product of its (nonzero) digits is 699840, while the sum is 41.

The spelling of 33340543349 in words is "thirty-three billion, three hundred forty million, five hundred forty-three thousand, three hundred forty-nine".