33401372213 has 8 divisors (see below), whose sum is σ = 36847275840. Its totient is φ = 30023704480.

The previous prime is 33401372209. The next prime is 33401372231. The reversal of 33401372213 is 31227310433.

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

It is not a de Polignac number, because 33401372213 - 2² = 33401372209 is a prime.

It is a super-2 number, since 2×33401372213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33401374213) 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, 17057945 + ... + 17059902.

It is an arithmetic number, because the mean of its divisors is an integer number (4605909480).

Almost surely, 2^33401372213 is an apocalyptic number.

It is an amenable number.

33401372213 is a deficient number, since it is larger than the sum of its proper divisors (3445903627).

33401372213 is a wasteful number, since it uses less digits than its factorization.

33401372213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34117947.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 33401372213 its reverse (31227310433), we get a palindrome (64628682646).

The spelling of 33401372213 in words is "thirty-three billion, four hundred one million, three hundred seventy-two thousand, two hundred thirteen".