1415199989 has 8 divisors (see below), whose sum is σ = 1630107648. Its totient is φ = 1203476400.

The previous prime is 1415199967. The next prime is 1415200001. The reversal of 1415199989 is 9899915141.

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

It is not a de Polignac number, because 1415199989 - 2⁸ = 1415199733 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 (1415199589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795062 + ... + 796839.

It is an arithmetic number, because the mean of its divisors is an integer number (203763456).

Almost surely, 2^1415199989 is an apocalyptic number.

It is an amenable number.

1415199989 is a deficient number, since it is larger than the sum of its proper divisors (214907659).

1415199989 is a wasteful number, since it uses less digits than its factorization.

1415199989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592035.

The product of its digits is 1049760, while the sum is 56.

The square root of 1415199989 is about 37619.1439163626. The cubic root of 1415199989 is about 1122.7229634328.

The spelling of 1415199989 in words is "one billion, four hundred fifteen million, one hundred ninety-nine thousand, nine hundred eighty-nine".