419730353956 has 9 divisors (see below), whose sum is σ = 734530386961. Its totient is φ = 209864529112.

The previous prime is 419730353879. The next prime is 419730353981. The reversal of 419730353956 is 659353037914.

The square root of 419730353956 is 647866.

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

It can be written as a sum of positive squares in only one way, i.e., 177485264100 + 242245089856 = 421290^2 + 492184^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 419730353897 and 419730353906.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1133766 + ... + 1457698.

Almost surely, 2^419730353956 is an apocalyptic number.

419730353956 is the 647866-th square number.

It is an amenable number.

419730353956 is a deficient number, since it is larger than the sum of its proper divisors (314800033005).

419730353956 is an frugal number, since it uses more digits than its factorization.

419730353956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647870 (or 323935 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 55.

The spelling of 419730353956 in words is "four hundred nineteen billion, seven hundred thirty million, three hundred fifty-three thousand, nine hundred fifty-six".