412666228981 has 4 divisors (see below), whose sum is σ = 414484142112. Its totient is φ = 410848315852.

The previous prime is 412666228963. The next prime is 412666228987. The reversal of 412666228981 is 189822666214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 412666228981 - 2¹¹ = 412666226933 is a prime.

It is a super-2 number, since 2×412666228981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412666228987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908956225 + ... + 908956678.

It is an arithmetic number, because the mean of its divisors is an integer number (103621035528).

Almost surely, 2^412666228981 is an apocalyptic number.

It is an amenable number.

412666228981 is a deficient number, since it is larger than the sum of its proper divisors (1817913131).

412666228981 is a wasteful number, since it uses less digits than its factorization.

412666228981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817913130.

The product of its digits is 3981312, while the sum is 55.

The spelling of 412666228981 in words is "four hundred twelve billion, six hundred sixty-six million, two hundred twenty-eight thousand, nine hundred eighty-one".