1409489387 has 4 divisors (see below), whose sum is σ = 1412760096. Its totient is φ = 1406218680.

The previous prime is 1409489383. The next prime is 1409489401. The reversal of 1409489387 is 7839849041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1409489387 - 2² = 1409489383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409489383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634708 + ... + 1635569.

It is an arithmetic number, because the mean of its divisors is an integer number (353190024).

Almost surely, 2^1409489387 is an apocalyptic number.

1409489387 is a deficient number, since it is larger than the sum of its proper divisors (3270709).

1409489387 is an equidigital number, since it uses as much as digits as its factorization.

1409489387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270708.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 1409489387 is about 37543.1669814895. The cubic root of 1409489387 is about 1121.2107938435.

The spelling of 1409489387 in words is "one billion, four hundred nine million, four hundred eighty-nine thousand, three hundred eighty-seven".