432143969 has 4 divisors (see below), whose sum is σ = 432507396. Its totient is φ = 431780544.

The previous prime is 432143963. The next prime is 432143981. The reversal of 432143969 is 969341234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220819600 + 211324369 = 14860^2 + 14537^2 .

It is a cyclic number.

It is not a de Polignac number, because 432143969 - 2⁸ = 432143713 is a prime.

It is a super-2 number, since 2×432143969² = 373496819886145922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432143963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179924 + ... + 182309.

It is an arithmetic number, because the mean of its divisors is an integer number (108126849).

Almost surely, 2^432143969 is an apocalyptic number.

It is an amenable number.

432143969 is a deficient number, since it is larger than the sum of its proper divisors (363427).

432143969 is a wasteful number, since it uses less digits than its factorization.

432143969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363426.

The product of its digits is 139968, while the sum is 41.

The square root of 432143969 is about 20788.0727581948. The cubic root of 432143969 is about 756.0365972644.

The spelling of 432143969 in words is "four hundred thirty-two million, one hundred forty-three thousand, nine hundred sixty-nine".