189046692025 has 9 divisors (see below), whose sum is σ = 234420593871. Its totient is φ = 151235614440.

The previous prime is 189046692011. The next prime is 189046692071. The reversal of 189046692025 is 520296640981.

The square root of 189046692025 is 434795.

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

It can be written as a sum of positive squares in only one way, i.e., 68056809129 + 120989882896 = 260877^2 + 347836^2 .

It is a de Polignac number, because none of the positive numbers 2^k-189046692025 is a prime.

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, 2130496 + ... + 2217454.

Almost surely, 2^189046692025 is an apocalyptic number.

189046692025 is the 434795-th square number.

189046692025 is the 217398-th centered octagonal number.

It is an amenable number.

189046692025 is a deficient number, since it is larger than the sum of its proper divisors (45373901846).

189046692025 is an frugal number, since it uses more digits than its factorization.

189046692025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173928 (or 86964 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 189046692025 in words is "one hundred eighty-nine billion, forty-six million, six hundred ninety-two thousand, twenty-five".