33421204040013 has 36 divisors (see below), whose sum is σ = 49071439685268. Its totient is φ = 21918617656320.

The previous prime is 33421204039987. The next prime is 33421204040041. The reversal of 33421204040013 is 31004040212433.

33421204040013 is a `hidden beast` number, since 3 + 3 + 4 + 212 + 0 + 40 + 400 + 1 + 3 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 879165019044 + 32542039020969 = 937638^2 + 5704563^2 .

It is not a de Polignac number, because 33421204040013 - 2⁸ = 33421204039757 is a prime.

It is a super-2 number, since 2×33421204040013² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421204042013) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12854053 + ... + 15233813.

It is an arithmetic number, because the mean of its divisors is an integer number (1363095546813).

Almost surely, 2^{33421204040013} is an apocalyptic number.

It is an amenable number.

33421204040013 is a deficient number, since it is larger than the sum of its proper divisors (15650235645255).

33421204040013 is a wasteful number, since it uses less digits than its factorization.

33421204040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380142 (or 2380050 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 33421204040013 its reverse (31004040212433), we get a palindrome (64425244252446).

The spelling of 33421204040013 in words is "thirty-three trillion, four hundred twenty-one billion, two hundred four million, forty thousand, thirteen".