610943893641 has 9 divisors (see below), whose sum is σ = 882477900109. Its totient is φ = 407294365836.

The previous prime is 610943893631. The next prime is 610943893789. The reversal of 610943893641 is 146398349016.

The square root of 610943893641 is 781629.

It is a perfect power (a square), and thus also a powerful number.

610943893641 is a `hidden beast` number, since 61 + 0 + 9 + 438 + 93 + 64 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 610943893641 - 2³³ = 602353959049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610943893601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2214616 + ... + 2475158.

Almost surely, 2^610943893641 is an apocalyptic number.

610943893641 is the 781629-th square number.

610943893641 is the 390815-th centered octagonal number.

It is an amenable number.

610943893641 is a deficient number, since it is larger than the sum of its proper divisors (271534006468).

610943893641 is an frugal number, since it uses more digits than its factorization.

610943893641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521092 (or 260546 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 610943893641 in words is "six hundred ten billion, nine hundred forty-three million, eight hundred ninety-three thousand, six hundred forty-one".