1421633484 has 48 divisors (see below), whose sum is σ = 3713888640. Its totient is φ = 470255760.

The previous prime is 1421633443. The next prime is 1421633491. The reversal of 1421633484 is 4843361241.

1421633484 is a `hidden beast` number, since 14 + 2 + 1 + 633 + 4 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36094 + ... + 64389.

It is an arithmetic number, because the mean of its divisors is an integer number (77372680).

Almost surely, 2^1421633484 is an apocalyptic number.

It is an amenable number.

1421633484 is an abundant number, since it is smaller than the sum of its proper divisors (2292255156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421633484 is a wasteful number, since it uses less digits than its factorization.

1421633484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100627 (or 100619 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 1421633484 is about 37704.5552155174. Note that the first 3 decimals coincide. The cubic root of 1421633484 is about 1124.4216903246.

The spelling of 1421633484 in words is "one billion, four hundred twenty-one million, six hundred thirty-three thousand, four hundred eighty-four".