610928641 has 4 divisors (see below), whose sum is σ = 643082800. Its totient is φ = 578774484.

The previous prime is 610928639. The next prime is 610928653. The reversal of 610928641 is 146829016.

It is a happy number.

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 610928641 - 2¹ = 610928639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 610928641.

It is not an unprimeable number, because it can be changed into a prime (610928041) 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, 16077051 + ... + 16077088.

It is an arithmetic number, because the mean of its divisors is an integer number (160770700).

Almost surely, 2^610928641 is an apocalyptic number.

It is an amenable number.

610928641 is a deficient number, since it is larger than the sum of its proper divisors (32154159).

610928641 is a wasteful number, since it uses less digits than its factorization.

610928641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32154158.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 610928641 is about 24716.9707084020. The cubic root of 610928641 is about 848.5227587114.

The spelling of 610928641 in words is "six hundred ten million, nine hundred twenty-eight thousand, six hundred forty-one".