33250140013 has 4 divisors (see below), whose sum is σ = 35206030620. Its totient is φ = 31294249408.

The previous prime is 33250139999. The next prime is 33250140017. The reversal of 33250140013 is 31004105233.

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 18652184329 + 14597955684 = 136573^2 + 120822^2 .

It is a cyclic number.

It is not a de Polignac number, because 33250140013 - 2⁵ = 33250139981 is a prime.

It is a super-2 number, since 2×33250140013² (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 (33250140017) 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, 977945278 + ... + 977945311.

It is an arithmetic number, because the mean of its divisors is an integer number (8801507655).

Almost surely, 2^33250140013 is an apocalyptic number.

It is an amenable number.

33250140013 is a deficient number, since it is larger than the sum of its proper divisors (1955890607).

33250140013 is a wasteful number, since it uses less digits than its factorization.

33250140013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955890606.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 33250140013 its reverse (31004105233), we get a palindrome (64254245246).

The spelling of 33250140013 in words is "thirty-three billion, two hundred fifty million, one hundred forty thousand, thirteen".