33440671097 has 2 divisors, whose sum is σ = 33440671098. Its totient is φ = 33440671096.

The previous prime is 33440671091. The next prime is 33440671153. The reversal of 33440671097 is 79017604433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32533697641 + 906973456 = 180371^2 + 30116^2 .

It is a cyclic number.

It is not a de Polignac number, because 33440671097 - 2³⁴ = 16260801913 is a prime.

It is a super-2 number, since 2×33440671097² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33440671091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16720335548 + 16720335549.

It is an arithmetic number, because the mean of its divisors is an integer number (16720335549).

Almost surely, 2^33440671097 is an apocalyptic number.

It is an amenable number.

33440671097 is a deficient number, since it is larger than the sum of its proper divisors (1).

33440671097 is an equidigital number, since it uses as much as digits as its factorization.

33440671097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 33440671097 in words is "thirty-three billion, four hundred forty million, six hundred seventy-one thousand, ninety-seven".