1935395089 has 4 divisors (see below), whose sum is σ = 1938870324. Its totient is φ = 1931919856.

The previous prime is 1935395083. The next prime is 1935395153. The reversal of 1935395089 is 9805935391.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 599858064 + 1335537025 = 24492^2 + 36545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1935395089 - 2⁵ = 1935395057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1935395083) 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, 1736782 + ... + 1737895.

It is an arithmetic number, because the mean of its divisors is an integer number (484717581).

Almost surely, 2^1935395089 is an apocalyptic number.

It is an amenable number.

1935395089 is a deficient number, since it is larger than the sum of its proper divisors (3475235).

1935395089 is an equidigital number, since it uses as much as digits as its factorization.

1935395089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475234.

The product of its (nonzero) digits is 1312200, while the sum is 52.

The square root of 1935395089 is about 43993.1254743284. The cubic root of 1935395089 is about 1246.2061157903.

The spelling of 1935395089 in words is "one billion, nine hundred thirty-five million, three hundred ninety-five thousand, eighty-nine".