133244310973 has 2 divisors, whose sum is σ = 133244310974. Its totient is φ = 133244310972.

The previous prime is 133244310967. The next prime is 133244311021. The reversal of 133244310973 is 379013442331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94939166884 + 38305144089 = 308122^2 + 195717^2 .

It is an emirp because it is prime and its reverse (379013442331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133244310973 - 2⁹ = 133244310461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133244310923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66622155486 + 66622155487.

It is an arithmetic number, because the mean of its divisors is an integer number (66622155487).

Almost surely, 2^133244310973 is an apocalyptic number.

It is an amenable number.

133244310973 is a deficient number, since it is larger than the sum of its proper divisors (1).

133244310973 is an equidigital number, since it uses as much as digits as its factorization.

133244310973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 133244310973 in words is "one hundred thirty-three billion, two hundred forty-four million, three hundred ten thousand, nine hundred seventy-three".