192897043232644 has 27 divisors (see below), whose sum is σ = 349613015466351. Its totient is φ = 93122321641440.

The previous prime is 192897043232617. The next prime is 192897043232687. The reversal of 192897043232644 is 446232340798291.

The square root of 192897043232644 is 13888738.

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

It can be written as a sum of positive squares in 4 ways, for example, as 34972580992644 + 157924462240000 = 5913762^2 + 12566800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 805427074 + ... + 805666534.

Almost surely, 2^{192897043232644} is an apocalyptic number.

192897043232644 is the 13888738-th square number.

It is an amenable number.

192897043232644 is a deficient number, since it is larger than the sum of its proper divisors (156715972233707).

192897043232644 is an frugal number, since it uses more digits than its factorization.

192897043232644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478984 (or 239492 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 64.

The spelling of 192897043232644 in words is "one hundred ninety-two trillion, eight hundred ninety-seven billion, forty-three million, two hundred thirty-two thousand, six hundred forty-four".