33804400001 has 4 divisors (see below), whose sum is σ = 34628897604. Its totient is φ = 32979902400.

The previous prime is 33804399913. The next prime is 33804400033. The reversal of 33804400001 is 10000440833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5521233025 + 28283166976 = 74305^2 + 168176^2 .

It is a cyclic number.

It is not a de Polignac number, because 33804400001 - 2³⁴ = 16624530817 is a prime.

It is a super-2 number, since 2×33804400001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33804400001.

It is not an unprimeable number, because it can be changed into a prime (33804400051) 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, 412248740 + ... + 412248821.

It is an arithmetic number, because the mean of its divisors is an integer number (8657224401).

Almost surely, 2^33804400001 is an apocalyptic number.

It is an amenable number.

33804400001 is a deficient number, since it is larger than the sum of its proper divisors (824497603).

33804400001 is an equidigital number, since it uses as much as digits as its factorization.

33804400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824497602.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33804400001 its reverse (10000440833), we get a palindrome (43804840834).

The spelling of 33804400001 in words is "thirty-three billion, eight hundred four million, four hundred thousand, one".