33400205616213 has 6 divisors (see below), whose sum is σ = 48244741445654. Its totient is φ = 22266803744136.

The previous prime is 33400205616203. The next prime is 33400205616233. The reversal of 33400205616213 is 31261650200433.

33400205616213 is a `hidden beast` number, since 3 + 3 + 4 + 0 + 0 + 20 + 5 + 6 + 1 + 621 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20415007780209 + 12985197836004 = 4518297^2 + 3603498^2 .

It is not a de Polignac number, because 33400205616213 - 2⁵ = 33400205616181 is a prime.

It is a super-2 number, since 2×33400205616213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400205616203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1855566978670 + ... + 1855566978687.

Almost surely, 2^{33400205616213} is an apocalyptic number.

It is an amenable number.

33400205616213 is a deficient number, since it is larger than the sum of its proper divisors (14844535829441).

33400205616213 is a wasteful number, since it uses less digits than its factorization.

33400205616213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711133957363 (or 3711133957360 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 33400205616213 its reverse (31261650200433), we get a palindrome (64661855816646).

The spelling of 33400205616213 in words is "thirty-three trillion, four hundred billion, two hundred five million, six hundred sixteen thousand, two hundred thirteen".