1689577011 has 12 divisors (see below), whose sum is σ = 2584059192. Its totient is φ = 1060126656.

The previous prime is 1689577003. The next prime is 1689577031. The reversal of 1689577011 is 1107759861.

1689577011 is a `hidden beast` number, since 1 + 68 + 9 + 577 + 0 + 11 = 666.

1689577011 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1689577011 - 2³ = 1689577003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1689577031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5521341 + ... + 5521646.

It is an arithmetic number, because the mean of its divisors is an integer number (215338266).

Almost surely, 2^1689577011 is an apocalyptic number.

1689577011 is a deficient number, since it is larger than the sum of its proper divisors (894482181).

1689577011 is a wasteful number, since it uses less digits than its factorization.

1689577011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043010 (or 11043007 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The square root of 1689577011 is about 41104.4646115236. The cubic root of 1689577011 is about 1191.0390404839.

The spelling of 1689577011 in words is "one billion, six hundred eighty-nine million, five hundred seventy-seven thousand, eleven".