33340669981 has 8 divisors (see below), whose sum is σ = 34862906880. Its totient is φ = 31824486672.

The previous prime is 33340669949. The next prime is 33340669991. The reversal of 33340669981 is 18996604333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33340669981 - 2⁵ = 33340669949 is a prime.

It is a super-2 number, since 2×33340669981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33340669991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502130 + ... + 1524163.

It is an arithmetic number, because the mean of its divisors is an integer number (4357863360).

Almost surely, 2^33340669981 is an apocalyptic number.

It is an amenable number.

33340669981 is a deficient number, since it is larger than the sum of its proper divisors (1522236899).

33340669981 is a wasteful number, since it uses less digits than its factorization.

33340669981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026795.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 33340669981 in words is "thirty-three billion, three hundred forty million, six hundred sixty-nine thousand, nine hundred eighty-one".