1487613909 has 8 divisors (see below), whose sum is σ = 1984213120. Its totient is φ = 991378656.

The previous prime is 1487613889. The next prime is 1487613913. The reversal of 1487613909 is 9093167841.

It is a happy number.

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

It is not a de Polignac number, because 1487613909 - 2¹⁶ = 1487548373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487613989) 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, 81304 + ... + 97905.

It is an arithmetic number, because the mean of its divisors is an integer number (248026640).

Almost surely, 2^1487613909 is an apocalyptic number.

It is an amenable number.

1487613909 is a deficient number, since it is larger than the sum of its proper divisors (496599211).

1487613909 is a wasteful number, since it uses less digits than its factorization.

1487613909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181979.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1487613909 is about 38569.5982478428. The cubic root of 1487613909 is about 1141.5547446169.

The spelling of 1487613909 in words is "one billion, four hundred eighty-seven million, six hundred thirteen thousand, nine hundred nine".