419143729 has 9 divisors (see below), whose sum is σ = 427600537. Its totient is φ = 410852164.

The previous prime is 419143657. The next prime is 419143783. The reversal of 419143729 is 927341914.

The square root of 419143729 is 20473.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 419143729 - 2⁹ = 419143217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 419143691 and 419143700.

It is not an unprimeable number, because it can be changed into a prime (419143799) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1207734 + ... + 1208080.

Almost surely, 2^419143729 is an apocalyptic number.

419143729 is the 20473-rd square number.

419143729 is the 10237-th centered octagonal number.

It is an amenable number.

419143729 is a deficient number, since it is larger than the sum of its proper divisors (8456808).

419143729 is an frugal number, since it uses more digits than its factorization.

419143729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 406 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The cubic root of 419143729 is about 748.3779635630.

The spelling of 419143729 in words is "four hundred nineteen million, one hundred forty-three thousand, seven hundred twenty-nine".