33480311957 has 2 divisors, whose sum is σ = 33480311958. Its totient is φ = 33480311956.

The previous prime is 33480311927. The next prime is 33480311959. The reversal of 33480311957 is 75911308433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27996317041 + 5483994916 = 167321^2 + 74054^2 .

It is a cyclic number.

It is not a de Polignac number, because 33480311957 - 2¹⁰ = 33480310933 is a prime.

It is a super-2 number, since 2×33480311957² (a number of 22 digits) contains 22 as substring.

Together with 33480311959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33480311959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16740155978 + 16740155979.

It is an arithmetic number, because the mean of its divisors is an integer number (16740155979).

Almost surely, 2^33480311957 is an apocalyptic number.

It is an amenable number.

33480311957 is a deficient number, since it is larger than the sum of its proper divisors (1).

33480311957 is an equidigital number, since it uses as much as digits as its factorization.

33480311957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 33480311957 in words is "thirty-three billion, four hundred eighty million, three hundred eleven thousand, nine hundred fifty-seven".