432146434155391 has 2 divisors, whose sum is σ = 432146434155392. Its totient is φ = 432146434155390.

The previous prime is 432146434155377. The next prime is 432146434155419. The reversal of 432146434155391 is 193551434641234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 432146434155391 - 2⁷ = 432146434155263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432146434156391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216073217077695 + 216073217077696.

It is an arithmetic number, because the mean of its divisors is an integer number (216073217077696).

Almost surely, 2^{432146434155391} is an apocalyptic number.

432146434155391 is a deficient number, since it is larger than the sum of its proper divisors (1).

432146434155391 is an equidigital number, since it uses as much as digits as its factorization.

432146434155391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18662400, while the sum is 55.

The spelling of 432146434155391 in words is "four hundred thirty-two trillion, one hundred forty-six billion, four hundred thirty-four million, one hundred fifty-five thousand, three hundred ninety-one".