610645004 has 12 divisors (see below), whose sum is σ = 1068897144. Its totient is φ = 305245824.

The previous prime is 610644989. The next prime is 610645033. The reversal of 610645004 is 400546016.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139 + ... + 34965.

It is an arithmetic number, because the mean of its divisors is an integer number (89074762).

Almost surely, 2^610645004 is an apocalyptic number.

It is an amenable number.

610645004 is a deficient number, since it is larger than the sum of its proper divisors (458252140).

610645004 is a wasteful number, since it uses less digits than its factorization.

610645004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38344 (or 38342 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 610645004 is about 24711.2323448265. The cubic root of 610645004 is about 848.3914232935.

The spelling of 610645004 in words is "six hundred ten million, six hundred forty-five thousand, four".