1451321416 has 16 divisors (see below), whose sum is σ = 2881300140. Its totient is φ = 682974720.

The previous prime is 1451321323. The next prime is 1451321453. The reversal of 1451321416 is 6141231541.

It can be written as a sum of positive squares in 2 ways, for example, as 1372998916 + 78322500 = 37054^2 + 8850^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335605 + ... + 5335876.

Almost surely, 2^1451321416 is an apocalyptic number.

It is an amenable number.

1451321416 is a deficient number, since it is larger than the sum of its proper divisors (1429978724).

1451321416 is a wasteful number, since it uses less digits than its factorization.

1451321416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671504 (or 10671500 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1451321416 is about 38096.2126201543. The cubic root of 1451321416 is about 1132.1949183013.

Adding to 1451321416 its reverse (6141231541), we get a palindrome (7592552957).

The spelling of 1451321416 in words is "one billion, four hundred fifty-one million, three hundred twenty-one thousand, four hundred sixteen".