431433967 has 2 divisors, whose sum is σ = 431433968. Its totient is φ = 431433966.

The previous prime is 431433941. The next prime is 431433991. The reversal of 431433967 is 769334134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431433967 - 2²⁷ = 297216239 is a prime.

It is a super-2 number, since 2×431433967² = 372270535762714178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431433367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215716983 + 215716984.

It is an arithmetic number, because the mean of its divisors is an integer number (215716984).

Almost surely, 2^431433967 is an apocalyptic number.

431433967 is a deficient number, since it is larger than the sum of its proper divisors (1).

431433967 is an equidigital number, since it uses as much as digits as its factorization.

431433967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 40.

The square root of 431433967 is about 20770.9885898577. The cubic root of 431433967 is about 755.6223204033.

The spelling of 431433967 in words is "four hundred thirty-one million, four hundred thirty-three thousand, nine hundred sixty-seven".