33934745321 has 2 divisors, whose sum is σ = 33934745322. Its totient is φ = 33934745320.

The previous prime is 33934745291. The next prime is 33934745359. The reversal of 33934745321 is 12354743933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18074113600 + 15860631721 = 134440^2 + 125939^2 .

It is a cyclic number.

It is not a de Polignac number, because 33934745321 - 2¹⁴ = 33934728937 is a prime.

It is a super-2 number, since 2×33934745321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33934744321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16967372660 + 16967372661.

It is an arithmetic number, because the mean of its divisors is an integer number (16967372661).

Almost surely, 2^33934745321 is an apocalyptic number.

It is an amenable number.

33934745321 is a deficient number, since it is larger than the sum of its proper divisors (1).

33934745321 is an equidigital number, since it uses as much as digits as its factorization.

33934745321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The spelling of 33934745321 in words is "thirty-three billion, nine hundred thirty-four million, seven hundred forty-five thousand, three hundred twenty-one".