4012344661 has 8 divisors (see below), whose sum is σ = 4328113664. Its totient is φ = 3697593840.

The previous prime is 4012344631. The next prime is 4012344673. The reversal of 4012344661 is 1664432104.

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 4012344661 - 2⁷ = 4012344533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012344631) 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, 246345 + ... + 262126.

It is an arithmetic number, because the mean of its divisors is an integer number (541014208).

Almost surely, 2^4012344661 is an apocalyptic number.

It is an amenable number.

4012344661 is a deficient number, since it is larger than the sum of its proper divisors (315769003).

4012344661 is a wasteful number, since it uses less digits than its factorization.

4012344661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509091.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4012344661 is about 63343.0711364708. The cubic root of 4012344661 is about 1589.0323689342.

Adding to 4012344661 its reverse (1664432104), we get a palindrome (5676776765).

The spelling of 4012344661 in words is "four billion, twelve million, three hundred forty-four thousand, six hundred sixty-one".