33400232293 has 2 divisors, whose sum is σ = 33400232294. Its totient is φ = 33400232292.

The previous prime is 33400232287. The next prime is 33400232309. The reversal of 33400232293 is 39223200433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23074217604 + 10326014689 = 151902^2 + 101617^2 .

It is an emirp because it is prime and its reverse (39223200433) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33400232293 is a prime.

It is a super-2 number, since 2×33400232293² (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 (33400232273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700116146 + 16700116147.

It is an arithmetic number, because the mean of its divisors is an integer number (16700116147).

Almost surely, 2^33400232293 is an apocalyptic number.

It is an amenable number.

33400232293 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400232293 is an equidigital number, since it uses as much as digits as its factorization.

33400232293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 33400232293 in words is "thirty-three billion, four hundred million, two hundred thirty-two thousand, two hundred ninety-three".