419025195405 has 18 divisors (see below), whose sum is σ = 726317865546. Its totient is φ = 223477788288.

The previous prime is 419025195403. The next prime is 419025195451. The reversal of 419025195405 is 504591520914.

419025195405 is a `hidden beast` number, since 4 + 1 + 90 + 2 + 5 + 19 + 540 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 27365761476 + 391659433929 = 165426^2 + 625827^2 .

It is not a de Polignac number, because 419025195405 - 2¹ = 419025195403 is a prime.

It is a super-2 number, since 2×419025195405² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419025195403) 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 in 17 ways as a sum of consecutive naturals, for example, 4294117 + ... + 4390613.

Almost surely, 2^419025195405 is an apocalyptic number.

419025195405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

419025195405 is a deficient number, since it is larger than the sum of its proper divisors (307292670141).

419025195405 is an frugal number, since it uses more digits than its factorization.

419025195405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193005 (or 96505 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

Multiplying 419025195405 by its sum of digits (45), we get a square (18856133793225 = 4342365²).

419025195405 divided by its sum of digits (45) gives a square (9311671009 = 96497²).

The spelling of 419025195405 in words is "four hundred nineteen billion, twenty-five million, one hundred ninety-five thousand, four hundred five".