33240272486389 has 2 divisors, whose sum is σ = 33240272486390. Its totient is φ = 33240272486388.

The previous prime is 33240272486329. The next prime is 33240272486453. The reversal of 33240272486389 is 98368427204233.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18150411708900 + 15089860777489 = 4260330^2 + 3884567^2 .

It is a cyclic number.

It is not a de Polignac number, because 33240272486389 - 2²⁷ = 33240138268661 is a prime.

It is a super-2 number, since 2×33240272486389² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33240272486329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16620136243194 + 16620136243195.

It is an arithmetic number, because the mean of its divisors is an integer number (16620136243195).

Almost surely, 2^{33240272486389} is an apocalyptic number.

It is an amenable number.

33240272486389 is a deficient number, since it is larger than the sum of its proper divisors (1).

33240272486389 is an equidigital number, since it uses as much as digits as its factorization.

33240272486389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83607552, while the sum is 61.

The spelling of 33240272486389 in words is "thirty-three trillion, two hundred forty billion, two hundred seventy-two million, four hundred eighty-six thousand, three hundred eighty-nine".