889519693 has 2 divisors, whose sum is σ = 889519694. Its totient is φ = 889519692.

The previous prime is 889519681. The next prime is 889519711. The reversal of 889519693 is 396915988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820994409 + 68525284 = 28653^2 + 8278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889519693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889519643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444759846 + 444759847.

It is an arithmetic number, because the mean of its divisors is an integer number (444759847).

Almost surely, 2^889519693 is an apocalyptic number.

It is an amenable number.

889519693 is a deficient number, since it is larger than the sum of its proper divisors (1).

889519693 is an equidigital number, since it uses as much as digits as its factorization.

889519693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 58.

The square root of 889519693 is about 29824.8167303673. The cubic root of 889519693 is about 961.7271039967.

The spelling of 889519693 in words is "eight hundred eighty-nine million, five hundred nineteen thousand, six hundred ninety-three".