432146434156391 has 2 divisors, whose sum is σ = 432146434156392. Its totient is φ = 432146434156390.

The previous prime is 432146434156373. The next prime is 432146434156421. The reversal of 432146434156391 is 193651434641234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 432146434156391 - 2¹⁰ = 432146434155367 is a prime.

It is a super-2 number, since 2×432146434156391² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432146434156301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216073217078195 + 216073217078196.

It is an arithmetic number, because the mean of its divisors is an integer number (216073217078196).

Almost surely, 2^{432146434156391} is an apocalyptic number.

432146434156391 is a deficient number, since it is larger than the sum of its proper divisors (1).

432146434156391 is an equidigital number, since it uses as much as digits as its factorization.

432146434156391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 56.

The spelling of 432146434156391 in words is "four hundred thirty-two trillion, one hundred forty-six billion, four hundred thirty-four million, one hundred fifty-six thousand, three hundred ninety-one".