33148205957 has 2 divisors, whose sum is σ = 33148205958. Its totient is φ = 33148205956.

The previous prime is 33148205899. The next prime is 33148205963. The reversal of 33148205957 is 75950284133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27180797956 + 5967408001 = 164866^2 + 77249^2 .

It is an emirp because it is prime and its reverse (75950284133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33148205957 - 2¹⁴ = 33148189573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33148205557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16574102978 + 16574102979.

It is an arithmetic number, because the mean of its divisors is an integer number (16574102979).

Almost surely, 2^33148205957 is an apocalyptic number.

It is an amenable number.

33148205957 is a deficient number, since it is larger than the sum of its proper divisors (1).

33148205957 is an equidigital number, since it uses as much as digits as its factorization.

33148205957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 33148205957 in words is "thirty-three billion, one hundred forty-eight million, two hundred five thousand, nine hundred fifty-seven".