431472493 has 2 divisors, whose sum is σ = 431472494. Its totient is φ = 431472492.

The previous prime is 431472491. The next prime is 431472497. The reversal of 431472493 is 394274134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339370084 + 92102409 = 18422^2 + 9597^2 .

It is a cyclic number.

It is not a de Polignac number, because 431472493 - 2¹ = 431472491 is a prime.

Together with 431472491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431472491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215736246 + 215736247.

It is an arithmetic number, because the mean of its divisors is an integer number (215736247).

Almost surely, 2^431472493 is an apocalyptic number.

It is an amenable number.

431472493 is a deficient number, since it is larger than the sum of its proper divisors (1).

431472493 is an equidigital number, since it uses as much as digits as its factorization.

431472493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 431472493 is about 20771.9159684416. The cubic root of 431472493 is about 755.6448114767.

The spelling of 431472493 in words is "four hundred thirty-one million, four hundred seventy-two thousand, four hundred ninety-three".