1481721346 has 32 divisors (see below), whose sum is σ = 2678400000. Its totient is φ = 600562512.

The previous prime is 1481721323. The next prime is 1481721347. The reversal of 1481721346 is 6431271841.

It is not an unprimeable number, because it can be changed into a prime (1481721347) 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, 160155 + ... + 169153.

It is an arithmetic number, because the mean of its divisors is an integer number (83700000).

Almost surely, 2^1481721346 is an apocalyptic number.

1481721346 is a deficient number, since it is larger than the sum of its proper divisors (1196678654).

1481721346 is a wasteful number, since it uses less digits than its factorization.

1481721346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646.

The product of its digits is 32256, while the sum is 37.

The square root of 1481721346 is about 38493.1337513588. The cubic root of 1481721346 is about 1140.0454855146.

It can be divided in two parts, 14817 and 21346, that added together give a palindrome (36163).

The spelling of 1481721346 in words is "one billion, four hundred eighty-one million, seven hundred twenty-one thousand, three hundred forty-six".