33494348213 has 2 divisors, whose sum is σ = 33494348214. Its totient is φ = 33494348212.

The previous prime is 33494348183. The next prime is 33494348263. The reversal of 33494348213 is 31284349433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17769689809 + 15724658404 = 133303^2 + 125398^2 .

It is a cyclic number.

It is not a de Polignac number, because 33494348213 - 2²⁸ = 33225912757 is a prime.

It is a super-2 number, since 2×33494348213² (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 (33494348263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16747174106 + 16747174107.

It is an arithmetic number, because the mean of its divisors is an integer number (16747174107).

Almost surely, 2^33494348213 is an apocalyptic number.

It is an amenable number.

33494348213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33494348213 is an equidigital number, since it uses as much as digits as its factorization.

33494348213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 44.

The spelling of 33494348213 in words is "thirty-three billion, four hundred ninety-four million, three hundred forty-eight thousand, two hundred thirteen".