1481356409 has 8 divisors (see below), whose sum is σ = 1598231040. Its totient is φ = 1364899536.

The previous prime is 1481356397. The next prime is 1481356417. The reversal of 1481356409 is 9046531841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1481356409 - 2²⁰ = 1480307833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481353409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97049 + ... + 111270.

It is an arithmetic number, because the mean of its divisors is an integer number (199778880).

Almost surely, 2^1481356409 is an apocalyptic number.

It is an amenable number.

1481356409 is a deficient number, since it is larger than the sum of its proper divisors (116874631).

1481356409 is a wasteful number, since it uses less digits than its factorization.

1481356409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208879.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1481356409 is about 38488.3931724877. The cubic root of 1481356409 is about 1139.9518829081.

The spelling of 1481356409 in words is "one billion, four hundred eighty-one million, three hundred fifty-six thousand, four hundred nine".