33394459049 has 16 divisors (see below), whose sum is σ = 39322143360. Its totient is φ = 27768174720.

The previous prime is 33394459037. The next prime is 33394459103. The reversal of 33394459049 is 94095449333.

It is a cyclic number.

It is not a de Polignac number, because 33394459049 - 2²⁰ = 33393410473 is a prime.

It is a super-2 number, since 2×33394459049² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33394459849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472667 + ... + 538704.

It is an arithmetic number, because the mean of its divisors is an integer number (2457633960).

Almost surely, 2^33394459049 is an apocalyptic number.

It is an amenable number.

33394459049 is a deficient number, since it is larger than the sum of its proper divisors (5927684311).

33394459049 is a wasteful number, since it uses less digits than its factorization.

33394459049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011520.

The product of its (nonzero) digits is 6298560, while the sum is 53.

The spelling of 33394459049 in words is "thirty-three billion, three hundred ninety-four million, four hundred fifty-nine thousand, forty-nine".