1641430343 has 8 divisors (see below), whose sum is σ = 1879653888. Its totient is φ = 1404140184.

The previous prime is 1641430337. The next prime is 1641430381. The reversal of 1641430343 is 3430341461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1641430343 - 2⁶ = 1641430279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641432343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229571 + ... + 236612.

It is an arithmetic number, because the mean of its divisors is an integer number (234956736).

Almost surely, 2^1641430343 is an apocalyptic number.

1641430343 is a deficient number, since it is larger than the sum of its proper divisors (238223545).

1641430343 is an equidigital number, since it uses as much as digits as its factorization.

1641430343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466693.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1641430343 is about 40514.5695151756. The cubic root of 1641430343 is about 1179.6164469685.

The spelling of 1641430343 in words is "one billion, six hundred forty-one million, four hundred thirty thousand, three hundred forty-three".