412681691 has 8 divisors (see below), whose sum is σ = 442599120. Its totient is φ = 383584032.

The previous prime is 412681679. The next prime is 412681693. The reversal of 412681691 is 196186214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 412681691 - 2⁶ = 412681627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412681693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203900 + ... + 205913.

It is an arithmetic number, because the mean of its divisors is an integer number (55324890).

Almost surely, 2^412681691 is an apocalyptic number.

412681691 is a deficient number, since it is larger than the sum of its proper divisors (29917429).

412681691 is a wasteful number, since it uses less digits than its factorization.

412681691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409885.

The product of its digits is 20736, while the sum is 38.

The square root of 412681691 is about 20314.5684423765. The cubic root of 412681691 is about 744.5120544018.

The spelling of 412681691 in words is "four hundred twelve million, six hundred eighty-one thousand, six hundred ninety-one".