33440931061 has 2 divisors, whose sum is σ = 33440931062. Its totient is φ = 33440931060.

The previous prime is 33440931031. The next prime is 33440931067. The reversal of 33440931061 is 16013904433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22979528100 + 10461402961 = 151590^2 + 102281^2 .

It is a cyclic number.

It is not a de Polignac number, because 33440931061 - 2¹⁹ = 33440406773 is a prime.

It is a super-2 number, since 2×33440931061² (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 (33440931067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16720465530 + 16720465531.

It is an arithmetic number, because the mean of its divisors is an integer number (16720465531).

Almost surely, 2^33440931061 is an apocalyptic number.

It is an amenable number.

33440931061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33440931061 is an equidigital number, since it uses as much as digits as its factorization.

33440931061 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 34.

The spelling of 33440931061 in words is "thirty-three billion, four hundred forty million, nine hundred thirty-one thousand, sixty-one".