1413388989 has 24 divisors (see below), whose sum is σ = 2094543360. Its totient is φ = 918119232.

The previous prime is 1413388981. The next prime is 1413388997. The reversal of 1413388989 is 9898833141.

It is an interprime number because it is at equal distance from previous prime (1413388981) and next prime (1413388997).

It is not a de Polignac number, because 1413388989 - 2³ = 1413388981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1413388981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41572 + ... + 67490.

It is an arithmetic number, because the mean of its divisors is an integer number (87272640).

Almost surely, 2^1413388989 is an apocalyptic number.

It is an amenable number.

1413388989 is a deficient number, since it is larger than the sum of its proper divisors (681154371).

1413388989 is a wasteful number, since it uses less digits than its factorization.

1413388989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26081 (or 26078 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 1413388989 is about 37595.0660193595. The cubic root of 1413388989 is about 1122.2438511231.

The spelling of 1413388989 in words is "one billion, four hundred thirteen million, three hundred eighty-eight thousand, nine hundred eighty-nine".