33432140128897 has 2 divisors, whose sum is σ = 33432140128898. Its totient is φ = 33432140128896.

The previous prime is 33432140128861. The next prime is 33432140128957. The reversal of 33432140128897 is 79882104123433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32802205837041 + 629934291856 = 5727321^2 + 793684^2 .

It is a cyclic number.

It is not a de Polignac number, because 33432140128897 - 2²³ = 33432131740289 is a prime.

It is a super-2 number, since 2×33432140128897² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33432140128817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16716070064448 + 16716070064449.

It is an arithmetic number, because the mean of its divisors is an integer number (16716070064449).

Almost surely, 2^{33432140128897} is an apocalyptic number.

It is an amenable number.

33432140128897 is a deficient number, since it is larger than the sum of its proper divisors (1).

33432140128897 is an equidigital number, since it uses as much as digits as its factorization.

33432140128897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 33432140128897 in words is "thirty-three trillion, four hundred thirty-two billion, one hundred forty million, one hundred twenty-eight thousand, eight hundred ninety-seven".