1478419421 has 16 divisors (see below), whose sum is σ = 1528566336. Its totient is φ = 1429080576.

The previous prime is 1478419379. The next prime is 1478419483. The reversal of 1478419421 is 1249148741.

It is not a de Polignac number, because 1478419421 - 2¹⁰ = 1478418397 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 (1478419021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625686 + ... + 2626248.

It is an arithmetic number, because the mean of its divisors is an integer number (95535396).

Almost surely, 2^1478419421 is an apocalyptic number.

It is an amenable number.

1478419421 is a deficient number, since it is larger than the sum of its proper divisors (50146915).

1478419421 is a wasteful number, since it uses less digits than its factorization.

1478419421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its digits is 64512, while the sum is 41.

The square root of 1478419421 is about 38450.2200383821. The cubic root of 1478419421 is about 1139.1980152462.

The spelling of 1478419421 in words is "one billion, four hundred seventy-eight million, four hundred nineteen thousand, four hundred twenty-one".