200009429415961 has 9 divisors (see below), whose sum is σ = 219845246303893. Its totient is φ = 181826612589820.

The previous prime is 200009429415959. The next prime is 200009429416003. The reversal of 200009429415961 is 169514924900002.

The square root of 200009429415961 is 14142469.

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

It is not a de Polignac number, because 200009429415961 - 2¹ = 200009429415959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200009429415899 and 200009429415908.

It is not an unprimeable number, because it can be changed into a prime (200009429416961) 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, 154924320 + ... + 156209998.

Almost surely, 2^{200009429415961} is an apocalyptic number.

200009429415961 is the 14142469-th square number.

200009429415961 is the 7071235-th centered octagonal number.

It is an amenable number.

200009429415961 is a deficient number, since it is larger than the sum of its proper divisors (19835816887932).

200009429415961 is an frugal number, since it uses more digits than its factorization.

200009429415961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571380 (or 1285690 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 200009429415961 in words is "two hundred trillion, nine billion, four hundred twenty-nine million, four hundred fifteen thousand, nine hundred sixty-one".