33198110381 has 2 divisors, whose sum is σ = 33198110382. Its totient is φ = 33198110380.

The previous prime is 33198110371. The next prime is 33198110423. The reversal of 33198110381 is 18301189133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25790754025 + 7407356356 = 160595^2 + 86066^2 .

It is a cyclic number.

It is not a de Polignac number, because 33198110381 - 2¹⁴ = 33198093997 is a prime.

It is a super-2 number, since 2×33198110381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33198110321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16599055190 + 16599055191.

It is an arithmetic number, because the mean of its divisors is an integer number (16599055191).

Almost surely, 2^33198110381 is an apocalyptic number.

It is an amenable number.

33198110381 is a deficient number, since it is larger than the sum of its proper divisors (1).

33198110381 is an equidigital number, since it uses as much as digits as its factorization.

33198110381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 33198110381 in words is "thirty-three billion, one hundred ninety-eight million, one hundred ten thousand, three hundred eighty-one".