610965089 has 4 divisors (see below), whose sum is σ = 698245824. Its totient is φ = 523684356.

The previous prime is 610965071. The next prime is 610965109. The reversal of 610965089 is 980569016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 610965089 - 2²⁰ = 609916513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610965049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43640357 + ... + 43640370.

It is an arithmetic number, because the mean of its divisors is an integer number (174561456).

Almost surely, 2^610965089 is an apocalyptic number.

It is an amenable number.

610965089 is a deficient number, since it is larger than the sum of its proper divisors (87280735).

610965089 is an equidigital number, since it uses as much as digits as its factorization.

610965089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87280734.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 610965089 is about 24717.7080045865. The cubic root of 610965089 is about 848.5396326639.

The spelling of 610965089 in words is "six hundred ten million, nine hundred sixty-five thousand, eighty-nine".