1473134456421 has 20 divisors (see below), whose sum is σ = 2251785203712. Its totient is φ = 959250341448.

The previous prime is 1473134456401. The next prime is 1473134456461. The reversal of 1473134456421 is 1246544313741.

1473134456421 is a `hidden beast` number, since 1 + 4 + 7 + 31 + 34 + 4 + 564 + 21 = 666.

It is not a de Polignac number, because 1473134456421 - 2¹⁷ = 1473134325349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1473134456401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 211471461 + ... + 211478426.

Almost surely, 2^{1473134456421} is an apocalyptic number.

It is an amenable number.

1473134456421 is a deficient number, since it is larger than the sum of its proper divisors (778650747291).

1473134456421 is an equidigital number, since it uses as much as digits as its factorization.

1473134456421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422949942 (or 422949933 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 1473134456421 in words is "one trillion, four hundred seventy-three billion, one hundred thirty-four million, four hundred fifty-six thousand, four hundred twenty-one".