431413919 has 2 divisors, whose sum is σ = 431413920. Its totient is φ = 431413918.

The previous prime is 431413903. The next prime is 431413933. The reversal of 431413919 is 919314134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431413919 - 2⁴ = 431413903 is a prime.

It is a super-2 number, since 2×431413919² = 372235939013877122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431413219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215706959 + 215706960.

It is an arithmetic number, because the mean of its divisors is an integer number (215706960).

Almost surely, 2^431413919 is an apocalyptic number.

431413919 is a deficient number, since it is larger than the sum of its proper divisors (1).

431413919 is an equidigital number, since it uses as much as digits as its factorization.

431413919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 431413919 is about 20770.5059880591. The cubic root of 431413919 is about 755.6106160622.

The spelling of 431413919 in words is "four hundred thirty-one million, four hundred thirteen thousand, nine hundred nineteen".