432156973 has 2 divisors, whose sum is σ = 432156974. Its totient is φ = 432156972.

The previous prime is 432156947. The next prime is 432157021. The reversal of 432156973 is 379651234.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227466724 + 204690249 = 15082^2 + 14307^2 .

It is a cyclic number.

It is not a de Polignac number, because 432156973 - 2¹⁷ = 432025901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432150973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216078486 + 216078487.

It is an arithmetic number, because the mean of its divisors is an integer number (216078487).

Almost surely, 2^432156973 is an apocalyptic number.

It is an amenable number.

432156973 is a deficient number, since it is larger than the sum of its proper divisors (1).

432156973 is an equidigital number, since it uses as much as digits as its factorization.

432156973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 432156973 is about 20788.3855313490. The cubic root of 432156973 is about 756.0441806949.

The spelling of 432156973 in words is "four hundred thirty-two million, one hundred fifty-six thousand, nine hundred seventy-three".