33153713897 has 2 divisors, whose sum is σ = 33153713898. Its totient is φ = 33153713896.

The previous prime is 33153713821. The next prime is 33153713899. The reversal of 33153713897 is 79831735133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32161400896 + 992313001 = 179336^2 + 31501^2 .

It is a cyclic number.

It is not a de Polignac number, because 33153713897 - 2⁸ = 33153713641 is a prime.

Together with 33153713899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33153713899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16576856948 + 16576856949.

It is an arithmetic number, because the mean of its divisors is an integer number (16576856949).

Almost surely, 2^33153713897 is an apocalyptic number.

It is an amenable number.

33153713897 is a deficient number, since it is larger than the sum of its proper divisors (1).

33153713897 is an equidigital number, since it uses as much as digits as its factorization.

33153713897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 50.

The spelling of 33153713897 in words is "thirty-three billion, one hundred fifty-three million, seven hundred thirteen thousand, eight hundred ninety-seven".