127305413421533 has 2 divisors, whose sum is σ = 127305413421534. Its totient is φ = 127305413421532.

The previous prime is 127305413421517. The next prime is 127305413421541. The reversal of 127305413421533 is 335124314503721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109037807441689 + 18267605979844 = 10442117^2 + 4274062^2 .

It is a cyclic number.

It is not a de Polignac number, because 127305413421533 - 2⁴ = 127305413421517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127305413421833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63652706710766 + 63652706710767.

It is an arithmetic number, because the mean of its divisors is an integer number (63652706710767).

Almost surely, 2^{127305413421533} is an apocalyptic number.

It is an amenable number.

127305413421533 is a deficient number, since it is larger than the sum of its proper divisors (1).

127305413421533 is an equidigital number, since it uses as much as digits as its factorization.

127305413421533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 127305413421533 in words is "one hundred twenty-seven trillion, three hundred five billion, four hundred thirteen million, four hundred twenty-one thousand, five hundred thirty-three".