610464865 has 16 divisors (see below), whose sum is σ = 770466816. Its totient is φ = 463694400.

The previous prime is 610464863. The next prime is 610464901. The reversal of 610464865 is 568464016.

It is a happy number.

It is not a de Polignac number, because 610464865 - 2¹ = 610464863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610464863) 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 15 ways as a sum of consecutive naturals, for example, 28941 + ... + 45370.

It is an arithmetic number, because the mean of its divisors is an integer number (48154176).

Almost surely, 2^610464865 is an apocalyptic number.

It is an amenable number.

610464865 is a deficient number, since it is larger than the sum of its proper divisors (160001951).

610464865 is a wasteful number, since it uses less digits than its factorization.

610464865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74400.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 610464865 is about 24707.5871950298. The cubic root of 610464865 is about 848.3079905232.

The spelling of 610464865 in words is "six hundred ten million, four hundred sixty-four thousand, eight hundred sixty-five".