1284431421493 has 8 divisors (see below), whose sum is σ = 1401767768160. Its totient is φ = 1167190050480.

The previous prime is 1284431421443. The next prime is 1284431421503. The reversal of 1284431421493 is 3941241344821.

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 1284431421493 - 2¹³ = 1284431413301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284431421443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23715630 + ... + 23769727.

It is an arithmetic number, because the mean of its divisors is an integer number (175220971020).

Almost surely, 2^{1284431421493} is an apocalyptic number.

It is an amenable number.

1284431421493 is a deficient number, since it is larger than the sum of its proper divisors (117336346667).

1284431421493 is a wasteful number, since it uses less digits than its factorization.

1284431421493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47487827.

The product of its digits is 663552, while the sum is 46.

The spelling of 1284431421493 in words is "one trillion, two hundred eighty-four billion, four hundred thirty-one million, four hundred twenty-one thousand, four hundred ninety-three".