1485141689 has 4 divisors (see below), whose sum is σ = 1485477456. Its totient is φ = 1484805924.

The previous prime is 1485141661. The next prime is 1485141751. The reversal of 1485141689 is 9861415841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1485141689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485141089) 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, 161159 + ... + 170124.

It is an arithmetic number, because the mean of its divisors is an integer number (371369364).

Almost surely, 2^1485141689 is an apocalyptic number.

It is an amenable number.

1485141689 is a deficient number, since it is larger than the sum of its proper divisors (335767).

1485141689 is an equidigital number, since it uses as much as digits as its factorization.

1485141689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335766.

The product of its digits is 276480, while the sum is 47.

The square root of 1485141689 is about 38537.5361044268. The cubic root of 1485141689 is about 1140.9220223627.

The spelling of 1485141689 in words is "one billion, four hundred eighty-five million, one hundred forty-one thousand, six hundred eighty-nine".