1589941561 has 8 divisors (see below), whose sum is σ = 1712797184. Its totient is φ = 1467164880.

The previous prime is 1589941531. The next prime is 1589941567. The reversal of 1589941561 is 1651499851.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1589941561 - 2⁷ = 1589941433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1589941567) 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, 26050 + ... + 62116.

It is an arithmetic number, because the mean of its divisors is an integer number (214099648).

Almost surely, 2^1589941561 is an apocalyptic number.

It is an amenable number.

1589941561 is a deficient number, since it is larger than the sum of its proper divisors (122855623).

1589941561 is a wasteful number, since it uses less digits than its factorization.

1589941561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39471.

The product of its digits is 388800, while the sum is 49.

The square root of 1589941561 is about 39874.0712869905. The cubic root of 1589941561 is about 1167.1510201759.

The spelling of 1589941561 in words is "one billion, five hundred eighty-nine million, nine hundred forty-one thousand, five hundred sixty-one".