1034155889 has 4 divisors (see below), whose sum is σ = 1113706356. Its totient is φ = 954605424.

The previous prime is 1034155873. The next prime is 1034155937. The reversal of 1034155889 is 9885514301.

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 472845025 + 561310864 = 21745^2 + 23692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034155889 - 2⁴ = 1034155873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1034155189) 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, 39775214 + ... + 39775239.

It is an arithmetic number, because the mean of its divisors is an integer number (278426589).

Almost surely, 2^1034155889 is an apocalyptic number.

It is an amenable number.

1034155889 is a deficient number, since it is larger than the sum of its proper divisors (79550467).

1034155889 is an equidigital number, since it uses as much as digits as its factorization.

1034155889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79550466.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 1034155889 is about 32158.2942489181. The cubic root of 1034155889 is about 1011.2580764165.

The spelling of 1034155889 in words is "one billion, thirty-four million, one hundred fifty-five thousand, eight hundred eighty-nine".