412995166609 has 9 divisors (see below), whose sum is σ = 414651438651. Its totient is φ = 411345491760.

The previous prime is 412995166607. The next prime is 412995166621. The reversal of 412995166609 is 906661599214.

The square root of 412995166609 is 642647.

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., 279097720209 + 133897446400 = 528297^2 + 365920^2 .

It is not a de Polignac number, because 412995166609 - 2¹ = 412995166607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412995166607) 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, 180582664 + ... + 180584950.

Almost surely, 2^412995166609 is an apocalyptic number.

412995166609 is the 642647-th square number.

412995166609 is the 321324-th centered octagonal number.

It is an amenable number.

412995166609 is a deficient number, since it is larger than the sum of its proper divisors (1656272042).

412995166609 is an frugal number, since it uses more digits than its factorization.

412995166609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136 (or 2568 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 412995166609 in words is "four hundred twelve billion, nine hundred ninety-five million, one hundred sixty-six thousand, six hundred nine".