1421473164 has 24 divisors (see below), whose sum is σ = 3431142960. Its totient is φ = 457485504.

The previous prime is 1421473159. The next prime is 1421473177. The reversal of 1421473164 is 4613741241.

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 7 ways as a sum of consecutive naturals, for example, 2041999 + ... + 2042694.

It is an arithmetic number, because the mean of its divisors is an integer number (142964290).

Almost surely, 2^1421473164 is an apocalyptic number.

It is an amenable number.

1421473164 is an abundant number, since it is smaller than the sum of its proper divisors (2009669796).

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

1421473164 is a wasteful number, since it uses less digits than its factorization.

1421473164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084729 (or 4084727 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 1421473164 is about 37702.4291525095. The cubic root of 1421473164 is about 1124.3794210937.

It can be divided in two parts, 14214 and 73164, that added together give a palindrome (87378).

The spelling of 1421473164 in words is "one billion, four hundred twenty-one million, four hundred seventy-three thousand, one hundred sixty-four".