1943425420285 has 8 divisors (see below), whose sum is σ = 2412528108120. Its totient is φ = 1501128600384.

The previous prime is 1943425420249. The next prime is 1943425420309. The reversal of 1943425420285 is 5820245243491.

It can be written as a sum of positive squares in 4 ways, for example, as 367388727876 + 1576036692409 = 606126^2 + 1255403^2 .

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 1943425420285 - 2¹⁷ = 1943425289213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701466822 + ... + 6701467111.

It is an arithmetic number, because the mean of its divisors is an integer number (301566013515).

Almost surely, 2^{1943425420285} is an apocalyptic number.

It is an amenable number.

1943425420285 is a deficient number, since it is larger than the sum of its proper divisors (469102687835).

1943425420285 is a wasteful number, since it uses less digits than its factorization.

1943425420285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13402933967.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 1943425420285 in words is "one trillion, nine hundred forty-three billion, four hundred twenty-five million, four hundred twenty thousand, two hundred eighty-five".