133644222446377 has 2 divisors, whose sum is σ = 133644222446378. Its totient is φ = 133644222446376.

The previous prime is 133644222446327. The next prime is 133644222446381. The reversal of 133644222446377 is 773644222446331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107167547934976 + 26476674511401 = 10352176^2 + 5145549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133644222446377 is a prime.

It is a super-2 number, since 2×133644222446377² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133644222446327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66822111223188 + 66822111223189.

It is an arithmetic number, because the mean of its divisors is an integer number (66822111223189).

Almost surely, 2^{133644222446377} is an apocalyptic number.

It is an amenable number.

133644222446377 is a deficient number, since it is larger than the sum of its proper divisors (1).

133644222446377 is an equidigital number, since it uses as much as digits as its factorization.

133644222446377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 58.

The spelling of 133644222446377 in words is "one hundred thirty-three trillion, six hundred forty-four billion, two hundred twenty-two million, four hundred forty-six thousand, three hundred seventy-seven".